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2023

Missouri

Income Tax

Reference Guide

Have a question about taxes?  

Look inside for the answers . . .

        Form 4711 (Revised 12-2023)



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                              2023

Missouri Income Tax

Reference Guide

Missouri Department of Revenue

Assistance with Preparing Your Tax Return
In past years, the Missouri Department of Revenue was able to offer a limited amount 
of walk-in service to taxpayers who needed assistance in preparing their tax returns.  
Although that service is no longer offered by the State of Missouri, there are a large 
number of volunteer organizations providing tax assistance to elderly or lower income 
taxpayers. In  fact,  in recent years,  the  volunteer services at  dozens of  locations 
around the state provided assistance to many more taxpayers than the State’s seven 
locations were able to handle.
The Department of Revenue is coordinating with the volunteer providers in an attempt 
to get the word out to everyone where they should go for walk-in assistance. If you 
need assistance with return preparation, you may contact a local volunteer group. 
You will find a larger volume of volunteer centers open during the filing season, which 
is typically January through April. To locate a volunteer group near you that offers 
return preparation assistance, call 800-906-9887 or 888-227-7669. You may also visit:
http://www.irs.gov/Individuals/Free-Tax-Return-Preparation-for-You-by-Volunteers.

OTHER IMPORTANT NUMBERS AND WEBSITE INFORMATION

IVR Refund,1099G, and Balance Due Inquiry ..............(573) 526-8299
Delinquent Tax Line ......................................................(573) 751-7200
Electronic Filing Information and General Inquiry Line  (573) 751-3505

Internet Address: ................................................................ dor.mo.gov
Refund Inquiry: ............................ dor.mo.gov/taxation/return-status/



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Reference Guide Index
Minimum Filing Requirements .......................................................................   1

Selecting the Correct Return .........................................................................   2

Missouri Adjusted Gross Income ..................................................................   4

Pensions ........................................................................................................   5

     Social Security and Social Security Disability Exemption .......................   6

Standard Deduction Table.............................................................................   7

Itemized Deductions and Other Deductions..................................................   8

Resident and Nonresident Information ........................................................   10

Military Information ......................................................................................   11

Estimated Taxes ..........................................................................................   13

Missouri Taxable Status of Various Income Items ......................................   15

Miscellaneous Tax Credits ..........................................................................   16

Property Tax Credit Claim ...........................................................................   19

Information Returns .....................................................................................   22

General Information .....................................................................................   23

Common Mistakes on Missouri Individual 
    Income Tax Returns...............................................................................   25

Final Checklist in Completing Missouri 
    Income Tax Returns...............................................................................   26



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                Minimum Filing Requirements

The following information is to be used as a quick reference for determining the  
minimum income level that, when reached, would require a taxpayer to file both 
Federal and Mis souri Income Tax returns. Section 143.481, RSMo, states the 
filing requirements of a Missouri resident and nonresident, which includes in it 
the requirement to file a federal income tax return.

Marital Status                                            Gross Income 
Single                                                    $  13,850
Single (Over 65)                                          $  15,700 
Married Filing Jointly                                    $  27,700
Married Filing Jointly (1 over 65)                        $  29,200
Married Filing Jointly (Both over 65)                     $  30,700
Head of Household                                         $  20,800
Head of Household (over 65)                               $  22,650
Married Filing Separate                                 $  13,850
Filing Requirements
A taxpayer is not required to file a Missouri return if they are not required to file a 
federal return. 
If a taxpayer is required to file a federal return, they may not have to file a Missouri 
return if:
  •   they are a resident and have less than $1,200 of Missouri adjusted gross 
income;
  •   they are a nonresident with less than $600 of Missouri income; or
  •  their  Missouri adjusted gross income is less than the amount of their standard
    deduction.

Note: If a taxpayer is not required to file a Missouri return, but received a Form W-2 
stating they had Missouri tax withheld, they must file their Missouri return to get a 
refund of their Missouri withholding. If they are not required to file a Missouri return 
and do not anticipate an increase in income, they may change their Form MO W-4 to 
“exempt” so their employer will not withhold Missouri tax.

Attention: If a taxpayer is claimed as a dependent on another person’s return, the 
standard deduction is the greater of $1,250 or the earned income for the year plus 
$400 up to the standard deduction amount.

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          Selecting the Correct Return 
          I.   Form MO-1040 (long form) may be used if:
                             Form MO-TC  (Miscellaneous tax credits 
                                 claimed) is used;
            •   Any Missouri modifications claimed other  
                                 than a state income tax refund subtraction;
            •   Taxpayer is claiming the following: Long   
                                 Term Care, Healthcare Sharing Ministry,  
                                 Military income, Bring Jobs Home,            
                                 First-Time Home Buyers Deduction, Long 
                                 Term Dignity Savings Account Deduction,  
                                 Foster Parent Deduction; or Farmland sold,  
                                 rented, leased, or crop-shared deduction.
            •  Taxpayer owes a penalty for underpayment  
                                 of estimated tax;
            •  Taxpayer is filing an amended return;
            •  Taxpayer owes recapture tax on low  
                                 income housing credit;
            •  Taxpayer owes tax on a lump sum 
                                 distribution included on Federal Form 1040  
                                 or Federal Form 1040-SR, Line 16;
            •  Taxpayer claims a pension, Social Security  
                                 or Social Security Disability;
            Payment is made with                    Form MO-60;
            •  Taxpayer is a fiscal year filer;
            •  Taxpayer is filing the Missouri Working 
               Family Tax Credit.                              .

Exception: If the taxpayer’s filing status on Form MO-1040 is married filing 
combined, but the primary and secondary taxpayers lived at different addresses 
the entire year, they may file a separate Form MO-PTC. (Example: One spouse 
lives in a nursing home or residential care facility while the other spouse remains 
in the home the entire year.) If filing a separate Form MO-PTC, the individual 
cannot take the $2,000 deduction on Line 7 and cannot calculate the Property 
Tax Credit on the Form MO-PTS. 

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II.  Form MO-PTC may be used if:
 •   Taxpayer is not filing an individual    
   income tax return (Form MO-1040) and 
   qualifies for a property tax credit.   
 *  Form MO-PTC should be filed only if    
   not filing a federal or a state individual  
   income tax return ;otherwise, use    Form  
   MO-PTS with Form MO-1040.
    * If taxpayer has negative income, this form  
     cannot be used. 

III. Form MO-PTS may be used if:
 •  Filing Form MO-1040 (long form) and  
   claiming the Property Tax Credit.

IV. Form MO-1040A may be used if:
 •   Any filing status; but only one earned    
   income in Missouri;
 •  Standard or itemized deduction is     
   claimed;
 •  Taxpayer’s state income tax refund is  
   included in their federal income (if  
   itemized last year);
 •  Resident, nonresident, or part-year  
   resident with 100 percent Missouri    
   source income;
 •  Tax credits or modifications to income  
   are not claimed.

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          Missouri Adjusted Gross Income
The starting income on the Missouri tax return is the federal adjusted gross 
income from Federal Form 1040 or 1040-SR, Line 11.
To compute Missouri adjusted gross income, any addition or subtraction 
modifications to federal adjusted gross income must be computed first on  Form 
MO-A, Part 1. The addition and subtraction modifications are entered on Form 
MO-1040, Lines 2 and 4 respectively.
Examples of addition modifications are interest on state and local obliga tions 
other than Missouri, nonqualified distributions received from a quali fied 529 plan 
(education program) not used for qualified education expenses, nonqualified 
distributions received from a qualified ABLE Program not used for qualified  
disability expenses, nonresident property tax, and addition adjustments reported 
from partnerships, fiduciaries, and S corporations of interest in state and local 
obligations other than Missouri. 
Examples of subtraction modifications are military retirement benefits, marijuana 
business deduction, exempt federal interest, state tax refund, exempt contributions  
made to a qualified 529 plan (education program), federal broadband grant income 
tax subtraction, exempt contributions made to a qualified ABLE Program, and rail-
road retirement, both Tier I and Tier II. 
Note: The subtraction for married individuals with contributions made to a 
qualified 529 plan is no longer limited to $8,000 per taxpayer. The $16,000  
qualified subtraction can be used entirely by the primary individual, secondary 
individual, or split between both individuals.

The following is a list of states that have no state income tax  ordo not allow 
property taxes to be deducted. Property taxes paid to these states will need to be 
added back on the MO-A, Part 1, Line 5.

       • Alaska                                • Ohio
       • Florida                               • Pennsylvania
       • Illinois                              • South Dakota
       • Indiana                               • Tennessee
       • Massachusetts                         • Texas
       • Nevada                                • Washington
       • New Hampshire                         • West Virginia
       • New Jersey                            • Wisconsin
                                               • Wyoming

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                  Pensions
Missouri law allows for a deduction for public pensions, private pensions, social  
security and social security disability payments on the 2023 Missouri income tax 
return, if certain income limitations are met.

Complete Form MO-A, Part 3, enter the total of the public pension, private  
pension, social security and social security disability exemptions on Form 
MO-1040, line 8.

Public Pensions 
Public pensions are pensions received from any federal, state, or local government.  
If a taxpayer has questions about whether their pension is a public pension, they will 
need to contact their pension administrator.

Note: Do not include military pension income in the total amount of public pension.  
Military pension is reported as a subtraction modification on Form MO-A, Part 1, Line 10.

The income limitations are as follows:
 Single, Head of Household, Married Filing Separate,
 and Qualifying Widow(er) ........................................................$85,000
 Married Filing Combined .......................................................$100,000

The total public pension exemption is limited to the maximum social security 
benefit allowed. In the 2023 tax year this amount is $44,683 per taxpayer. 

Private Pension
Private pensions are pensions received from private sources. If a taxpayer has 
questions about whether their pension is a private pension, they will need to 
contact their pension administrator.

The income limitations are as follows:
 Single, Head of Household, and Qualifying Widow(er) ..........$25,000
 Married Filing Combined .........................................................$32,000
 Married Filing Separate ...........................................................$16,000

The total maximum private pension exemption per taxpayer is $6,000.

Note: The taxable portion of social security benefits is not used for the 
purpose of determining income limitations for the public and private pensions. 
Railroad retirement does not qualify as a public pension unless you are 100 
percent disabled. If a taxpayer’s income exceeds the limitations for receiving the 
allowable public or private pension exemption, the taxpayer may still qualify for a 
partial pension exemption. The pension exemption must be decreased by the 
amount the taxpayer’s income exceeds the income limitations. The public or 
private pension exemption is reduced by one dollar for every dollar that the 
taxpayer’s income exceeds the limitation.

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Social Security and Social Security Disability Exemption 100 Percent 
Individuals may take an exemption for social security and social security 
disability benefits. The 2023 exemption amount is 100 percent of the taxable 
amount. To qualify the taxpayer must be 62 years of age or older or receiving 
social security disability benefits. If the taxpayer is qualifying based on being 
over 62, but not over 64, the 62 through 64 box will need to be checked or the 
exemption will be disallowed.
The income limitations are as follows:
 Single, Head of Household, Married Filing Separate,
 and Qualifying Widow(er) ........................................................$85,000
 Married Filing Combined .......................................................$100,000

If a taxpayer’s income exceeds the limitations for receiving the allowable social  
security or social security disability exemption, the taxpayer may still qualify for 
a partial exemption. The social security and social security disability exemption 
must be decreased by the amount the taxpayer’s income exceeds the income 
limitation. The exemption is reduced by one dollar for every dollar that the  
taxpayer’s income exceeds the limitation.  

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                 Standard Deduction Table
The following table should be used to determine the standard deduction to be used 
on the federal and Missouri tax returns.  

Step 1:  Select the correct number of boxes to check.
        Yourself              65 or older            Blind
        Your spouse           65 or older            Blind
        Total Number of Boxes Checked _______
Filing Status            Number of Boxes Checked     Standard  
                                                             Deduction
Single                                     0              $13,850
                                           1              $15,700
                                           2              $17,550
Married Filing Combined                    0              $27,700
                                           1              $29,200
                                           2              $30,700
                                           3              $32,200
                                           4              $33,700
Qualifying Widow(er)                       0              $27,700
                                           1              $29,200
                                           2              $30,700
                                           3              $32,200
                                           4              $33,700
Head of Household                          0              $20,800
                                           1              $22,650 
                                           2              $24,500
Married Filing Separate                    0              $13,850
                                           1              $15,350
                                           2              $16,850
Single — Claimed as a dependent            0              $1,250*
    on another person’s return
Qualified Widows(ers), Married Filing Combined and 
Married Filing Separate                              Additional $1,500
Single and Head of Household                         Additional $1,850

*Note: Standard deduction may not exceed the greater of $1,250 or the sum 
of $400 and the individual’s earned income, up to the applicable standard 
deduction amount ($13,850 for single taxpayers).

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                 Itemized Deductions
Missouri Itemized Deductions
Missouri law requires a taxpayer to start with the federal itemized deductions 
reported on Schedule A of the federal return. If a taxpayer itemizes deductions 
on their federal return, they may itemize deductions for Missouri or take the 
standard deduction, whichever is to their advantage. If the taxpayer does not 
itemize the deductions on the federal return, they will not be allowed to itemize 
on the Missouri return. If the taxpayer is required to itemize on the federal 
return, they must itemize on the Missouri return.

Additions to Federal Itemized Deductions
Social Security Tax
Medicare Tax from W-2’s and Federal Form 8959
Railroad Retirement Tax (Tier I and Tier II)
Self-employment Tax claimed on Federal Form 1040 or 1040-SR,  
  Schedule 2, Part 2, Line 4 minus Schedule 1, Part 2, Line 15
Federal Form 1040NR, Line 23b minus Schedule 1, Line 15 and Form 
  8959, Line 13

Subtractions from Federal Itemized Deductions
The amount of state and local income tax claimed on the Federal Schedule A, 
minus any earnings tax included in that amount.  

                 Other Deductions
Long-Term Care Insurance Deduction
If a taxpayer paid premiums for qualified long-term care insurance in 2023, 
they may be eligible for a deduction on their Missouri income tax return.  
Qualified long-term care insurance is defined as insurance coverage for 
period of at least 12 months for long-term care expenses should such care 
become necessary because of chronic health conditions or physical disabilities 
including cognitive impairment or the loss of functional capacity, thus rendering 
an individual unable to care for themselves without the help of another person.

Head of Household and Qualifying Widow(er) deduction
If your filing status is Head of Household or Qualifying Widow(er) enter the 
amount of $1,400 as your additional exemption on Line 15. You must use 
the same filing status as your federal return. NOTE: If you claimed any filing 
status other than Head of Household or Qualifying Widow(er) on your federal 
return, you do not qualify for the additional exemption.

Health Care Sharing Ministries
If a taxpayer made contributions to a qualifying health care sharing ministry in 
2023, they may be eligible for a deduction on their Missouri income tax return.  
A health care sharing ministry is defined as a faith-based, nonprofit 
organization that assists members who have financial, physical, or medical 
needs. To qualify, the taxpayer must be a member of a health care sharing 
ministry and not have deducted the same amounts on their federal return.
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Military Income Deduction
If a taxpayer has military income earned as a member of any active duty 
component or inactive duty component of National Guard Inactive Duty Training 
(IDT), National Guard Annual Training (AT) or Reserve components of the Armed 
Force of the United States, they may be eligible for a military income deduction on 
their Missouri income tax return. This amount must be included in the taxpayer’s 
federal adjusted gross income and not previously taken as a deduction.
 
Bring Jobs Home
If you or your spouse accrued expenses associated with relocating a 
business to Missouri, you may be eligible for this deduction (if approved by 
the Department of Economic Development). The deduction is equal to 50 
percent of the eligible insourcing expenses and cannot exceed your Missouri 
adjusted gross income. For additional information please visit ded.mo.gov or 
contact the Missouri Department of Economic Development at P.O. Box 118, 
Jefferson City, MO 65102-0118.

First-Time Home Buyers Deduction
A deduction can be climed for 50 percent of a contribution to a First-Time 
Home Buyer Bank account. The amount of contribution deduction to the first-
time home buyer account(s), cannot exceed $800 for an individual filer or 
$1,600 for a married filing combined return. Interest accruing on the amount in 
the bank account is also exempt from Missouri income tax. 

Long Term Dignity Savings Account
A deduction can be claimed for 100% of contributions made to a Long Term 
Dignity Savings Account. The maximum deduction is $4,000 per taxpayer 
($8,000, if married filing combined), not to exceed the taxpayers Missouri  
adjusted gross income. Attach an affidavit verifying the amount claimed upon 
filing. 

Foster Parent Tax Deduction 
Foster parents as defined in RSMo 210.566 are eligible to receive a deduction 
for expenses directly incurred by providing care as a foster parent to one or more 
children in this state. To determine your eligibility and calculate your deduction, 
complete the Foster Care Affidavit (Form 5870). This form must be attached to 
your Missouri return.  

Farmland Sold, Rented, Leased or Crop-shared to a Beginning Farmer 
Farmers can receive a deduction of a set percentage of their capital gains 
received from the sale of farmland or the dollar amount not to exceed $25,000 
of capital gains received from the rent, lease, or crop-sharing agreement for 
their farmland as long as it is sold, rented, leased, crop-shared to a beginning  
farmer. This deduction only applies to capital gains of rent, lease, or crop-share 
income received on or after August 28, 2023. To qualify for this deduction you 
must include a Beginning Farmer Tax Deduction Certification from the Missouri 
Agricultural and Small Business Development Authority (MASBDA) validating 
the sale, rental, lease, or crop-sharing agreement qualified. The Form 5955 has 
been created for the calculation and must be attached, along with the federal 
return to the Form MO-1040.
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       Resident and Nonresident Information

Form MO-NRI
Form MO-NRI is a supplement to the Form MO-1040 and may be used by a  
nonresident, part-year resident, or military personnel. (It may be filed by itself 
under the condition noted in bold print below.) Form MO-NRI allows a nonresident,  
part-year resident, or military personnel to allocate income on the basis of 
income earned in Missouri divided by income from all sources. This results in 
a percentage to be used to calculate the Missouri income tax liability. Form 
MO-NRI includes information for military personnel. Military personnel who are 
required to file, will need to file a Form MO-NRI with Form MO-1040. Military 
personnel who are stationed in Missouri, but not required to file a return, 
can inform the Department of Revenue electronically that a Missouri 
income tax return is not required for a particular tax year. The online  
application is located on the Department’s website at: dor.mo.gov. If 
informing the Department electronically is not possible, complete a Form 
MO-NRI and sign the last page. The Department of Revenue will record the 
information from the completed MO-NRI.
All income earned in Missouri is taxable to Missouri. 

Form MO-CR
Form MO-CR is a supplement to the Form MO-1040 and may be used by a 
resident of Missouri who has income from another state and is required to file 
a return in that state. Form MO-CR allows a credit for income taxes paid to the 
other state against the Missouri income tax liability.

Note: A part-year resident may use Form MO-CR if the part-year resident elects 
to file a Missouri return as a resident. The MO-NRI or MO-CR cannot be utilized 
for the same taxpayer at the same time. However, if filing a combined return, it is 
possible that one spouse could use a Form MO-NRI and the other, Form MO-CR. 

Example: Taxpayer moves to Missouri during the year and marries a
Missouri resident. The Missouri resident has income from another state. The 
part-year resident elects to file using Form MO-NRI, but the Missouri resident 
must use Form MO-CR as he or she was a full-year resident of Missouri.

Access dor.mo.gov for more information and examples.

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                    Military Information                                             

Military — General Information
The tax status of military personnel under the Missouri Income Tax Law and 
the Servicemembers Civil Relief Act is determined by home of record.

Military — Home of Record — Not Missouri
If the military servicemember’s home of record is a state other than Missouri, 
his or her domicile is in the other state. If the military servicemember is  
stationed in Missouri, then he or she is not subject to Missouri income tax on 
his or her military pay nor on any interest or dividend income received from 
personal investments. Even if the military servicemember is not required to 
pay Missouri tax, he or she should file a Form MO-NRI, Missouri Nonresident 
Income Percentage, to verify the military servicemember is not subject to 
Missouri income tax.

The Servicemembers Civil Relief Act, H.R.100, prohibits states from including 
the military income of a nonresident servicemember when determining the 
individual income tax rate for either the servicemember (or the servicemember’s 
spouse on a combined return).  

If a nonresident military servicemember or his or her spouse earns $600 or 
more of non-military income while in Missouri, that portion of income is taxable 
by Missouri and a Form MO-1040, Missouri Individual Income Tax Return must 
be filed. Check the appropriate box and enter the nonresident military income 
on Form MO-A, Part 1, Line 11.

                  Military Spouses Residency Relief Act:  
   Spouse of servicemember stationed in Missouri: If the spouse of a  
 servicemember is only in this state because of military orders, their income is 
             not taxable. Complete form MO-A, Part 1, Line 11.
 
Military — Home of Record — Missouri
If the military servicemember’s home of record is Missouri, his or her domicile is 
Mis souri. In this case, the person is considered Missouri domiciled and is subject 
to Missouri income taxes on all income from whatever source including his or her 
military pay.
If the Missouri domiciled military person enters or leaves the armed forces 
during the year and resides in Missouri prior to entering the military or after 
leaving the military, the military person’s total income (including military pay) 
is taxable to Missouri. If the military servicemember’s home of record is Missouri, 
his or her domicile is Missouri. In this case, the person is considered Missouri 
domiciled and is subject to Missouri income taxes on all income from whatever 
source including his or her military pay.
The only exception is if the Missouri domiciled individual files a sworn statement  
(Form MO-NRI) that he or she:
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(a) maintained no permanent place of abode in Missouri during the tax year;
(b) did maintain a permanent place of abode elsewhere; and
(c) did not spend more than 30 days of the year, for which they are filing, in    
Missouri; 
then the Missouri domiciled individual is considered a “nonresident” for tax  
purposes. With a “nonresident” tax status the individual does not pay Missouri 
income tax on his or her military pay or on interest and dividend income from  
personal investments.
All Missouri domiciled military personnel who wish to claim a “nonresident” 
status should file an income tax return (Form MO-1040) each year and 
enclose with that return Form MO-NRI, Missouri Income Percentage. If the 
taxpayer’s spouse is stationed with the taxpayer outside of Missouri and 
Missouri is their state of residence, any income earned by the spouse is 
taxable to Missouri. If the spouse earns more than $1,200, a Missouri return 
must be filed.
Note: If the military person is stationed in Missouri with a Missouri home of 
record, all income including military pay is taxable. If the military person and 
their spouse are Missouri residents and the spouse remains in Missouri more 
than 30 days while the military person is stationed outside of Missouri, the 
total income (including military pay) is taxable to Missouri.
Domicile - Defined
“Domicile” is the place which an individual intends to be his or her permanent 
home; a place to which he or she intends to return to whenever he or she may 
be absent. A domicile, once established, continues until the individual moves 
to a new location with true intentions of making his or her fixed and permanent 
home there. An individual can have only one domicile.
Active Duty Military Deduction 
Taxpayers claiming the military income deduction should include a copy of all 
Leave and Earnings Statement(s) that validate how long they were on active 
duty for training or annual training and the amount earned on active duty for 
training or on annual training. Taxpayers may not take the deduction for the 
amount of pay received while on State Active Duty (shown on a Form W-2) or 
Inactive Duty Training (shown on a Leave and Earnings Statement).  
Inactive Duty Military Deduction 
Military personnel may deduct a portion of their income earned from the  
following sources from their Missouri adjusted gross income:
 • National Guard Inactive Duty Training (IDT) 
 • National Guard Annual Training (AT) 
 • Reserve components of the Armed Forces.
The following reflects the percentage of Military reserve or inactive duty income 
that may be deducted in each applicable tax year:
    2023 - 80%      2024 - 100%

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Military Online Form
 • Military individuals who are not required to file a Missouri return can use the  
   Missouri Department of Revenue’s No Return Required - Military Online  
   Form at: dor.mo.gov/military/.
 • This form should be submitted to the Department by the return’s due date 
   (April 15, 2024).
 • This form can be obtained by visiting our website at: dor.mo.gov.
For more detailed information regarding military filing requirements, visit 
our website at dor.mo.gov/military/. 
Under 
                    Estimated Taxes
Missouri law, a taxpayer must file Form MO-1040ES, Estimated Tax 
Declaration for Individuals, if their tax liability is expected to be $100 or more 
and Missouri tax is not withheld.
The Estimated Tax Form (MO-1040ES) must be filed on the following due dates:
 1st Quarter — April 15, 2024             2nd Quarter — June 15, 2024
 3rd Quarter — September 15, 2024  4th Quarter — January 15, 2025
Note:  If the due date falls on a Saturday, Sunday, or legal holiday, the next
business day is the due date.
Failure to pay 90 percent of the tax liability by withholding or estimated tax paments 
could result in a penalty for underpayment of estimated tax (Form MO-2210).
The Department offers these alternative filing methods:
 TAX TYPE     FILING FREQUENCY        PAYMENT TYPE                 RETURN
                    Quarterly             TXP or             With electronic payment 
                    Monthly               Online             or zero return - E-file or 
                    Annual               Paper Check         coupon
                                                             E-file, download paper  
 WITHHOLDING                              TXP                coupon, or online  
                                                             reconciliation
                    Quarter-Monthly                          E-file, download paper 
                                          Online             coupon or online  
                                                             reconciliation can be done 
                                                             if all payments were 
                                                             submitted online
                    MO-1120 or            TXP
 CORPORATE          MO-1120ES             Online or          Mail paper return or 
 INCOME                                  Paper Check         Federal and State E-file
                    Quarterly             TXP
                    Monthly               Online or          Mail or E-file return
                    Annual               Paper Check
 SALES AND USE
                    Quarter-Monthly       TXP or             Mail or E-file return  
                                          Online
 INDIVIDUAL         MO-1040 or        Paper Check or         Mail paper return or 
 INCOME             MO-1040ES             Online             Federal and State E-file

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Note: An alternative payment method must be used for quarter-monthly sales 
and withholding tax payments. Paper vouchers are not offered.  To learn more 
about alternative filing methods, access the Department’s website at 
dor.mo.gov/, contact the Department at (573) 751-8150, or e-mail  
elecfile@dor.mo.gov.
The Department also encourages electronic and internet filing options for 
individual income tax. The Department received more than 3,000,000 
electronically filed returns for the tax year 2023. Electronically filed returns 
offer many benefits to the taxpayer including receipt acknowledgment, faster 
refunds, accuracy, and convenience.

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               Missouri Taxable Status of 
                   Various Income Items
                                                    EXEMPT NOT  
                                                           EXEMPT
American Samoa                                      X
Bank for Co-operatives                              X
CATS, ZEBRAS, TIGRS                                 X
Commodity Credit Corporation                        X
Education Institution Bonds                         X
Export-Import Bank of U.S.                                 X
Farmers Home Administration                                X
Federal Deposit Insurance Corporation (FDIC)        X
Federal Farm Credit Banks                           X
Federal Farm Loan Corporation                       X
Federal Financing Bank (FFB) Obligations            X
Federal Home Loan Banks (FHLB)                      X
Federal Home Loan Mortgage Corporation                     X
Federal Housing Administration (FHA) Debentures     X
Federal Intermediate Credit Banks                   X
Federal Land Banks                                  X
Federal National Mortgage Association                      X
Financial Corporation Bonds (FICO)                  X
Financing Corporation Obligations                   X
General Insurance Fund                              X
General Services Administration (GSA)               X
Government National Mortgage Association                   X
Guam                                                X
I Bonds                                             X
Junior College Building Corporation Bonds           X
Missouri Higher Education Loan Authority (MOHELA) Bond  X
National Credit Union Central Liquidity Facility    X
National Farm Loan Association                      X
New Communities Debentures                                 X
Northern Mallana Covenant                           X
Northern Mariana                                    X
Public Housing Notes and Bonds                      X
Public Debt                                         X
Puerto Rican Bonds                                  X
Repurchase Agreements                                      X
Resolution Funding Corporation Bonds                X
Small Business Administration (SBA)                 X
Student Loan Marketing Association (Sallie Mae)     X
Tennessee Valley Authority (TVA)                    X
U.S. Certificates of Indebtedness                   X
U.S. Freedom Shares                                 X
U.S. Individual Retirement Bonds                    X
U.S. Series E&H Bonds                               X
U.S. Treasury Bills, Treasury Bonds, Treasury Notes X
United States Postal Service                        X
Virgin Islands                                      X
Washington Metropolitan Area Transit Authority             X
Zero Coupon Bonds                                   X
                                  15 



- 19 -
            Miscellaneous Tax Credits
Miscellaneous Tax Credits
Missouri law allows for certain tax credits. The tax credits are computed by  
completing Form MO-TC, Miscellaneous Income Tax Credits. Enter the total 
amount of credits from Form MO-TC, Line 13, on Form MO-1040, Line 42. Form 
MO-TC must be attached to Form MO-1040. The following is a list of available 
credits and the agency to contact for information, forms, and approval to claim 
each credit.
1.  Tax Credits Administered by the Department of Eco nomic 
 Development Contact the Missouri Department of Eco nomic Development, 
 Tax Benefit Programs, P.O. Box 118, Jefferson City, Missouri 65102-0118 or 
 access ded.mo.gov.
    •  Brownfield “Jobs and Investment” Credit  (573) 522-8004
    •  Capitol Complex Artifact Donation Credit (573) 522-4216                               
    •  Capitol Complex Monetary Donation Credit (573) 522-4216                               
    •  Family Development Account Credit  (573) 751-4539
    •  Historic Preservation Credit  (573) 522-8004
    •  Missouri Quality Jobs Credit  (573) 751-4539 
    •  Missouri Works Credit  (573) 751-4539 
    •  Neighborhood Assistance Credit (Including Homeless Assistance Credit) 
      (573) 751-4539
    •  New Enhanced Enterprise Zone Credit  (573) 751-4539
    •  New or Expanded Business Facility Credit  (573) 751-4639 
    •  Qualified Research Expense Credit  (573) 751-4539
    •  Rebuilding Communities and Neighborhood Preservation Act Credit 
      (573) 522-8004
    •  Remediation Credit  (573) 522-8004
    •  Show-Mo Act/Motion Media  (573) 526-2102
    •  Small Business Incubator Credit  (573) 751-4539
    •  Sporting Contribution Credit  (573) 522-8004 
    •  Sporting Event Credit  (573) 522-8004 
    •  Youth Opportunities Credit  (573) 751-4539

2.  Other Missouri Tax Credits
  Adoption Tax Credit — contact the Missouri Department of Revenue, P.O. Box 2200, 
    Jefferson City, MO 65105-2200 or call (573) 751-3220.
   Affordable Housing Assistance Credit — contact the Missouri Housing Development    
    Commission, 3435 Broadway, Kansas City, MO 64111 or call (816) 759-6600.
Agriculture Product Utilization Contributor Credit — contact the Missouri Agricultural 
    and Small Business Development Authority, P.O. Box 630, Jefferson City, MO 65102-0630 
    or call (573) 751-2129.
Bank Franchise Tax — contact the Missouri Department of Revenue, P.O. Box 2200,          
    Jefferson City, MO 65105-2200 or call (573) 751-3220.
Bank Tax Credit for S Corporation Shareholders — contact the Missouri  Department of 
    Revenue, P.O. Box 2200, Jefferson City, MO 65105, or call (573) 751-3220.
Biodiesel Producer Tax Credit — contact the Missouri Department of Revenue, P.O. Box 
    2200, Jefferson City, MO 65105-2200 or call (573) 751-3220.*

                                      16 



- 20 -
Biodiesel Retailer and Distributor Tax Credit — contact the Missouri Department of  
    Revenue, P.O. Box 2200, Jefferson City, MO 65105-2200 or call (573) 751-3220.*
Bond Enhancement Credit — contact the Missouri Development Finance Board, P.O. 
    Box 567, Jefferson City, MO 65102 or call (573) 751-8479.  
Champion for Children — contact the Missouri Department of Revenue, P.O. Box              
    2200, Jefferson City, MO 65105-2200 or call (573) 751-3220.*
Development Reserve Credit — contact the Missouri Development Finance Board, P.O. 
    Box 567, Jefferson City, MO 65102-0567 or call (573) 751-8479.
  Developmental Disability Care Provider Tax Credit - contact the Missouri Department of 
    Social Services, P.O. Box 1082, Jefferson City, MO 65103-1082 or call (573) 751-7533.
  Diaper Bank Credit —  contact the Missouri Department of Social Services, P.O. Box 
    1082, Jefferson City, MO 65103-1082 or call (573) 751-7533.
  Disabled Access Credit — contact the Missouri Department of Revenue, P.O. Box 2200, 
    Jefferson City, MO 65105-2200 or call (573) 751-3220.
  Ethanol Retailer and Distributor Tax Credit — contact the Missouri Department of 
    Revenue, P.O. Box 2200, Jefferson City, MO 65105-2200 or call (573) 751-3220.
Export Finance Credit — contact the Missouri Development Finance Board, P.O. Box 
    567, Jefferson City, MO 65102-0567 or call (573) 751-8479.
Family Farms Credit — contact the Missouri Agricultural and Small Business Development 
    Authority, P.O. Box 630, Jefferson City, MO 65102-0630 or call (573) 751-2129.*
Food Pantry Credit — contact the Missouri Department of Revenue, P.O. Box 2200, 
    Jefferson City, MO  65105-2200 or call (573) 751-3220.
Infrastructure Development Credit — contact the Missouri Development Finance Board, 
    P.O. Box 567, Jefferson City, MO 65102-0567 or call (573) 751-8479.
Maternity Home Credit — contact the Missouri Department of Social Services, P.O. Box 
    626, Jefferson City, MO 65103-0626 or call (573) 751-7533.
Medical Preceptorship Tax Credit — contact the Missouri Department of Health and Senior 
    Services, PO. Box 570, 930 Wildwood, Jefferson City, MO 65102-0570 or (573) 751-6441.
Meat Processing Facility Investment Tax Credit — contact the Missouri Agricultural and 
    Small Business Development Authority, P.O. Box 630, Jefferson City, MO 65102-0630 or 
    call (573) 751-2129.
  Missouri Business Use Incentives for Large-Scale Development (BUILD) Credit
    contact the Missouri Development Finance Board, P.O. Box 567, Jefferson City, MO 
    65102-0567 or call (573) 751-8479.
  Missouri Low Income Housing Credit — contact the Missouri Housing Development 
    Commission, 3435 Broadway, Kansas City, MO 64111 or call (816) 759-6600.
MO Scholars Tax Credit — contact the Missouri State Treasurer at P.O. Box 210  
    Jefferson City, MO 65101 or call (573) 751-8533.
New Generation Cooperative Incentive Credit — contact the Missouri Agricultural and 
    Small Business Development Authority, P.O. Box 630, Jefferson City, MO 65102-0630 or 
    call (573) 751-2129.
Pregnancy Resource Credit — contact the Missouri Department of Social Services, P.O. 
    Box 863, Jefferson City, MO 65103-0863 or call (573) 751-7533.*
Processed Wood Energy Tax     Credit contact tthe Missouri Department of Natural  
    Resources, P.O. Box 176, Jefferson City, MO 65102-0176.
Public Safety Officer Surviving Spouse Tax Credit — contact the Missouri Department  
    of Revenue, P.O. Box 2200, Jefferson City, MO 65105-2200 or call (573) 751-3220.
Qualified Beef Tax Credit — contact the Department of Agriculture, P.O. Box 630,  
    Jefferson City, MO  65102-0630 (573) 751-2129.
Residential Dwelling Accessibility Credit — contact the Missouri Department of  
      Revenue, P.O. Box 2200, Jefferson City, MO 65105-2200 or call (573) 751-3220.
  Residential Treatment Credit — contact the Missouri Department of Social Services, 
    P.O. Box 853, Jefferson City, MO 65103-0853 or call (573) 751-7533.*

                                       17      



- 21 -
SALT Parity —  contact the Missouri Department of Revenue, P.O. Box 2200, Jefferson  
    City, MO 65105-2200 or call (573) 751-3220
  School Children Health & Hunger Tax Credit —contact the Missouri Department of 
    Social Services, P.O. Box 1082, Jefferson City, MO 65103-1082 or call (573) 751-7533.
Self-Employed Health Insurance — contact the Missouri Department of Revenue, P.O. Box  
    2200, Jefferson City, MO 65105-2200 or call (573) 751-3220.
Shared Care Tax Credit — contact the Missouri Department of Health and Senior 
    Services, Division of Senior and Disability Services, P.O. Box 570, Jefferson City, MO 
    65102-0570 or call (573) 751-4842.
  Shelter for Victims of Domestic Violence Credit — contact the Missouri Department of 
    Social Services, P.O. Box 216, Jefferson City, MO 65103-0216 or call (573) 751-7533.
Specialty Agriculture Crop Loan Tax Credit — contact the Department of Agriculture, 
    P.O. Box 630, Jefferson City, MO 65102-0630 (573) 751-2129.
Urban Farms Tax Credit — contact the Department of Agriculture, P.O. Box 630,         
    Jefferson City, MO 65102-0630 (573) 751-2129.
*Note: Contact the administering agency for eligibility requirements.

                                      18    



- 22 -
                 Property Tax Credit Claim
The Property Tax Credit Claim is a refundable credit to the individual if certain 
criteria are met.

A. Individual 65 Years of Age or Older*
 The individual or spouse must be 65 years of age as of December 31, 2023. 
 If the spouse was 65 or older and died during the year of 2023, the individual 
 would still qualify for the credit, even if they were not 65, for the tax year 2023.
B.  Disabled Veteran
 An individual may also qualify for the property tax credit if the individual or  
 spouse is a Veteran of the armed forces of the United States or the state  
 of Missouri and the individual or spouse became 100 percent disabled as  
 a result of this service. 
 •  If a Veteran is 100 percent disabled (NOT due to military service) payments 
   and benefits are included into Property Tax Credit household income.  
   Veteran payments and benefits include education or training allowances,  
   disability compensation, grants, and insurance proceeds. A letter from  
   the Veterans Administration detailing the amount of your benefits needs  
   to be attached to the Property Tax Credit form.
 •  If a Veteran is 100 percent disabled as a result of military service, they  
   are not required to include their Veteran payments and benefits on the  
   Property Tax Credit form. A letter from the Veterans Administration 
 confirming the disability is 100 percent from military service needs to be 
 attached to the Property Tax Credit form.
 Note: To request a copy of the letter, call the Veterans Administration at  
 (800) 827-1000.
C.  Disabled Person
   The individual may qualify for the property tax credit if the individual or 
 spouse is disabled as defined in  Section 135.010(2).
 
 Disabled  (as defined in Section 135.010(2), RSMo):  The inability to  
 engage in any substantial gainful activity by reason of any medically determined  
 physical or mental impairment, which can be expected to result in death or  
 which has lasted or can be expected to last for a continuous period of not  
 less than 12 months. An individual shall not be required to be gainfully  
 employed prior to such disability.
  A copy of the individual’s Form SSA-1099, SSI benefits, or a letter from 
 Social Security Administration providing the date of disability must be submitted.
 Note: Minor children do not qualify for this credit.

                                   19 



- 23 -
D.  Surviving Spouse
 If an individual is 60 years of age as of December 31, 2023, and received 
 surviving spouse social security benefits during 2023, an individual may  
 qualify to claim the property tax credit. Form SSA-1099 must be submitted  
 with filing.
E.  Additional Information
 1.   *An individual or spouse must have been a resident of Missouri 
   for the entire year of 2023. If the individual qualified for a property tax 
   credit and would have been a resident for the entire 2023 calendar 
   year, but died before the last day of the calendar year, the individual 
   would still qualify for the credit for 2023. An individual or spouse which 
   is 65 years of age or older as of December 31, 2023, must have been a 
   resident of Missouri for the entire year. 
 2.   If the individual owns and occupies their own home for the entire year 
   of 2023, the maximum household income cannot exceed $30,000 for 
   single and $34,000 for married filing joint. If the individual is a renter or 
   part year owner for tax year 2023, the maximum household income for 
   single is $27,200 and $29,200 for married filing joint.  
 3.   If the individual owns the property, he or she must provide a PAID copy 
   of his or her 2023 real estate tax receipt(s) or if the individual rents 
   (which includes nursing homes), he or she must provide a completed 
   Form 5674 and proof for rent paid receipt(s). If the rent is paid to a 
   relative, the relationship to the landlord must be indicated on the Form 
   MO-CRP.
 4.   If the individual is required to file an individual income tax return and 
   qualifies for the property tax credit, he or she should attach the Form  
   MO-PTS to the Form MO-1040 to expedite receiving his or her refund. 
 5.  The following is not included as income on the Form MO-PTC or Form  
     MO-PTS:
     •  Prior year refunds;
     •  Foster grandparent salaries;
     •  Life insurance benefits;
     •  Food stamps;
   •  Sale of personal residence if it is not included in AGI. The individual    
     must have been a resident in the home at the time of the sale;               
   •  VA disability pension (for 100 percent service related disabled veteran);
   •  Stipend for senior companions;
   •  Heating assistance; and            
   •  Stipend for caring for children with social services.
 6.   The property tax credit table has lines added to assist individuals in 
   figuring their refund. The refund cannot exceed $750 for renters or $1,100 
   for owners.

                                  20 



- 24 -
F. Rents Home
 1. If an individual rents from a facility that is exempt from paying property  
   taxes, the individual is not eligible to file the property tax credit claim.
 2. If an individual rents from a facility that pays Tax Increment Financing  
   (TIF) tax or a Payment In Lieu of Taxes (PILOT) tax, the individual is not  
   eligible to file the property tax credit claim.
G. Grants
   Grants in the individual’s name can be included as income on Form 
 MO-PTC, Line 2 or Form MO-PTS, Line 3 and the individual can take credit 
 for rent paid. Grants in the nursing facility’s name, distributed by the nursing 
 facility, are not income to the individual and cannot be claimed as rent paid.
H. Long-Term Care Insurance Benefits
   Benefit payments made payable to the care facility are not included as income 
 or rent. If the benefit payments are made payable to the individual, the amount 
 of the payment (not to exceed rent amount) is claimed as income and rent. 
 If the benefit payments exceed the rent amount, the excess is considered 
 taxable income, and should be included as income on Form MO-PTC, Line 
 2 or Form MO-PTS, Line 3.
I. Lump Sum Distributions
 Lump sum distributions from Social Security Administration or other 
 agencies must be claimed in the year they are received. 
J. Documentation Required (This is for AARP and VITA site volunteers)
       1.   Copy of the paid property tax receipt or MO-CRP (Certification of 
         Rent Paid) and Form 5674 (Verification of Rent Paid).
       2.  Copy of Assessor’s Certification (Form 948), when required.
       3.  Copy of letter from VA for 100 percent disabled veterans (DOR  
         approved).
        4.  Form SSA-1099, yearly SSI benefits and a letter from the Social 
         Security Administration providing a date of disability.
Note: All documentation is required for first time filers of the property tax credit 
program.
Before the Form(s) MO-PTC,MO-1040 or MO-PTS are sent, make sure that 
all the required documentation is attached, double check the address, ensure 
the social security number is correct, and make certain the return is signed. If 
the individual is unable to sign his or her name, and another person signs as 
Power of Attorney (POA), a copy of the POA document must be attached.

Mail Form MO-PTC and supporting documentation to: Missouri Department of 
Revenue, P.O. Box 2800, Jefferson City, MO 65105-2800.

If filing Form MO-1040 with a Form MO-PTS, please mail to:  Missouri 
Department of Revenue, P.O. Box 2800, Jefferson City, MO 65105-2800.

If filing a Form MO-1040, MO-PTS or Form MO-PTC that contains a 2-D 
barcode, please mail to: Missouri Department of Revenue, P.O. Box 3385, 
Jefferson City, MO  65105-3385.
                               21 



- 25 -
Note: Property tax credit refunds may be applied to individual income tax debts 
and property tax credit billings caused by amended returns or corrections made 
by the Department.

                    Information Returns

Form MO-96 Misc - Annual Report of Payment of Rent, Royalties, Etc.
All individuals, businesses, and corporations who are required to file a Federal 
Form 1099 MISC must also file Form MO-96 with the Missouri Department of 
Revenue for any income of $1200 or more from a Missouri source except for 
wages from which taxes were withheld and income reported on an information 
report for an S corporation or partnership. These annual statements are required 
for payments to both Missouri residents and nonresidents. The due date is 
February 28. (February 29 for leap years). Submit Form MO-96 MISC as follows:
Copy 1 - Submit to the Missouri Department of Revenue, P.O. Box 3330, 
Jefferson City, MO 65105-3330 along with Form MO-96 (Annual Summary 
and Transmittal of Missouri Form(s) MO-96 MISC)
Copy 2 - Provide to the recipient
Copy 3 - Optional Payer’s copy

A Federal Form 1099-MISC may be substituted for Form MO-1099 MISC as 
long as the copies are clearly marked as follows:
Copy 1-Missouri copy
Copy 2-Information supplied to Missouri Department of Revenue

                                 22 



- 26 -
                 General Information
Forms 
Taxpayers can obtain Missouri tax forms and instructions quickly and easily by 
visiting the Department of Revenue’s website at dor.mo.gov/forms. If you 
are unsure what form you need to complete, please utilize this link 
mytax.mo.gov/rptp/portal/home/tax-form-selector.
Amended Returns
If a taxpayer files an income tax return and later becomes aware of changes 
that must be made to income, deductions, or credits, he or she must file an 
amended Missouri return by completing Form MO-1040. A copy of the federal 
amended return, Form 1040X, must also be provided, if one was filed.

Federal Tax Adjustments
Missouri law requires taxpayers with federal returns that are adjusted or audited 
to file an amended Missouri return within 90 days after the adjustments or audit 
have been completed or accepted.

When to File
A calendar year return is due on or before April 15th. Returns for fiscal years 
are due on the 15th day of the fourth month after the close of the taxable year. 
When the due date falls on a Saturday, Sunday, or legal holiday, the return 
will be considered timely if filed on the next business day.

Where to File and Pay Tax
Mail returns and check or money order to the Missouri Department of Revenue, 
P.O. Box 329, Jefferson City, MO 65105-0329 (2-D barcode returns only: 
P.O. Box 3370). For refund claims, mail to Department of Revenue, P.O. Box 
500, Jefferson City, MO 65105-0500 (2-D barcode returns only: P.O. Box 
3222).  Electronically filed return payments mail to: Department of Revenue, 
P.O. Box 371, Jefferson City, MO 65105-0371. Submit returns via email at: 
Incometaxprocessing@dor.mo.gov

Extension to File
Missouri grants an automatic extension of time to file to any individual, corporation, 
fiduciary, or estate that has a Federal extension attached to the Missouri return. A 
taxpayer needs to file an Application for Extension of Time to File (Form MO-60) if:
 1.  The taxpayer expects to owe a tax liability for the period. Form 
    MO-60 and payment are due on or before the due date of the return.
 2.   The taxpayer wants a Missouri extension but not a Federal extension.  
    Form MO-60 is due on or before the due date of the return. A copy of Form 
    MO-60 must be attached to the Missouri returns when filed. An approved 
    Form MO-60 extends the due date up to 180 days for the individual, 
    fiduciary, income tax returns, and the corporation return.
 3.  The taxpayer seeks a Missouri extension exceeding the Federal 
    automatic extension period. Form MO-60       must be filed on or before 
    the end of the federal extension period.
The taxpayer must complete a separate Form MO-60 for each return or report.
                                  23 



- 27 -
Form 1099-G
Form 1099-G indicates the refunds, credits, or offsets of state income tax a 
taxpayer received in the previous year. This amount may be taxable on their 
federal income tax return, and the amount is deducted as an itemized deduction 
on the Missouri income tax return. For more information and answers to frequently 
asked questions go to dor.mo.gov/faq/taxation/individual/. 
To obtain a copy of Form 1099-G, a taxpayer will need to know the primary 
social security number, filing status, and the zip code in which the taxpayer 
received the refund, credit, or offset. 
 •   Access mytax.mo.gov/rptp/portal/home/1099g-inquiry or
 •   Call the Missouri Department of Revenue’s automated interactive voice  
   response line at (573) 526-8299.

Methods of Payments
Payments must be postmarked by April 15, to avoid interest and late  
payment charges. When the due date falls on a Saturday, Sunday, or legal  
holiday, the return will be considered timely if filed on the next business day.   
The Department offers several payment options.

Electronic Bank Draft (E-Check): By entering the taxpayer’s bank routing  
number and checking account number they can pay on line at the following 
address: dor.mo.gov/taxation/, or by calling (888) 929-0513. There will be a 
minimal handling fee per filing period or transaction to use this service.

Credit Card: The Department accepts MasterCard, Discover, Visa, and 
American Express. Taxpayers can pay online at    dor.mo.gov/taxation/, or by 
calling (888) 929-0513. A convenience fee will be charged for credit and debit 
card transactions.  

Check or money order: Attach a check or money order (U.S. funds only),  
payable to Missouri Department of Revenue. Checks will be cashed upon receipt.

Do not postdate. The Department may collect on checks returned for insufficient 
or uncollected funds electronically.

Note: The handling and convenience fees included in these transactions are 
being paid to the third party vendor, not to the Missouri Department of Revenue. 
By accessing this payment system, the user will be leaving the Department’s 
website and connecting to the website of the third party vendor, which is a 
secure and  confidential website.

Mail the return and all required attachments to: Department of Revenue, P.O. 
Box 329, Jefferson City, MO 65105-0329.

                                      24 



- 28 -
Interest and Penalty
Interest is due on tax not paid on time. For calendar year 2023, interest is computed 
at 9 percent per annum from the date due until the date paid. Additions to tax 
for failure to pay on time is assessed at 5 percent of the tax due. For failure to 
file on time, additions to tax of 5 percent per month, not to exceed 25 percent, is 
assessed.
Keep Your Records
Taxpayers should keep copies of tax returns and Form(s) W-2 for four years. 

  Common Mistakes on Missouri Individual 
                    Income Tax Returns

 1.  The tax return is not signed.
 2.  Necessary documentation is not attached. Examples: Form(s) W-2,                 
  1099-R, federal return (Pages 1 and 2) and applicable schedules, Form   
  MO-A,Form MO-NRI  , and Form MO-CR, and other states’ returns.
 3.  The amount of Missouri tax withheld claimed is not correct. Earnings  
  tax and withholding from other states are erroneously claimed.
 4.  Calculation errors are made on the returns.
 5.  Federal Earned Income Credit (EIC) is incorrectly claimed as a federal    
  tax deduction on Missouri returns.
 6.  The wrong filing status box is checked.
 7.   Estimated tax payments are not claimed on the return.

                                  25 



- 29 -
          Final Checklist In Completing
          Missouri Income Tax Returns

o In the space provided, enter the taxpayer and spouse’s social security 
  number(s), the name of the county in which they reside. Check the  
  appropriate box(es) if deceased is applicable.
o  Check and verify all calculations on the return. An error may delay a 
  refund, result in a billing, or necessitate correspondence.
o  Attach state copies (from all states if the taxpayer is a part-year resident) 
  of Form(s) W-2 and/or 1099-R from all employers and administrators who 
  withheld Missouri tax.  Verify that the amount entered on  Form MO-1040, 
  Line 35 equals the total shown on Form(s) W-2 and/or 1099-R.
o   If submitting a Property Tax Credit Claim, send a completed Form 
  MO-PTC or Form MO-1040 attach   Form MO-PTS, with copies of tax 
  receipts and Form(s) MO-CRP. Tax receipts must be marked paid and 
  must be filed with the corresponding year’s tax form.
o  Make certain the return is signed (both spouses must sign a combined 
  return).
o If taxpayers itemized deductions on their federal return, they must attach a   
  copy of Pages 1 and 2 of their Federal Form 1040 and Federal Schedule A. 
  Also attach a copy of their federal return (Pages 1 and 2) if Form MO-1040,  
  Line 6 includes loss(es) of $1,000 or more, they claimed a pension  
  exemption, a low income housing credit, a low income housing credit  
  recapture, other federal taxes, are claimed or a Form MO-NRI is filed.
o  Attach a check or money order if the balance due on Form MO-1040, Line 
  56 is $1 or more. Taxpayers must sign their check and write their social 
  security numbers on the check. 
o Mail the return to the address listed on the form along with any attachments.

                                26 



- 30 -
2023 Missouri Income 

              Taxes

              File Electronically
          E-file your state and federal return! 
          It’s inexpensive, accurate, and fast! 

Visit our website for more information and links to file.
              dor.mo.gov

Visit our website to track your refund.
          dor.mo.gov/returnstatus/

              Not filing electronically? 
Visit our “Form Selector” online to determine the easiest 
              form for you.  
Then use our Fill-in Forms that Automatically Calculate.

Ever served on active duty in the United States Armed Forces?  
If yes, visit dor.mo.gov/military/ to see the services and  
benefits we offer to all eligible military individuals. A list of all 
state agency resources and benefits can be found at 
veteranbenefits.mo.gov/state-benefits/.

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