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        Illinois Department of Revenue                                     Use for tax year ending on or after 
                                                                           December 31, 2022 and before 
                                                                           December 31, 2023.
        IL-1065-X Instructions                                                                                        2022
                                                                            Acknowledgement that the IRS received your amended 
            General Information                                         return is not acceptable proof of federal finalization.
Who must file Form IL-1065-X?                                           If your federal change decreases the tax due to Illinois and 
You should file Form IL-1065-X, Amended Partnership Replacement         you are entitled to a refund or credit carryforward, you must file 
Tax Return, if you are amending a previously filed, processable Form    Form IL-1065-X within two years plus 120 days of federal finalization.
IL-1065, Partnership Replacement Tax Return, for a tax year ending      If your federal change increases the tax due to Illinois, you must 
on or after December 31, 2006. Your change can occur from a state       file Form IL-1065-X and pay any additional tax within 120 days of 
or federal change that affects items used to compute your Illinois net  IRS partial agreement or finalization. In order to avoid late payment 
income, net loss, or credits, such as                                   penalties, you must attach proof of the federal finalization date, 
• an amendment of your federal income tax return,                       showing the change was reported to Illinois within 120 days of IRS 
• an adjustment made by the Internal Revenue Service (IRS), or          acceptance, or you may be assessed a late-payment penalty.
• any other recomputation or redetermination.                               If you fail to notify us of your change by filing 
A separate amended return must be filed for each tax year you need      Form IL-1065-X, we may issue a notice of deficiency at any time. 
to amend.                                                               Once you file your change, we may issue a notice of deficiency within 
                                                                        two years.
What if I need to change my return before the                           What if I am amending my return due to multiple 
extended due date expires?                                              federal adjustments?
If you filed your original Form IL-1065 and a state or federal          If you are amending your original Form IL-1065 due to multiple 
correction or change needs to be made before the extended due           federal adjustments that were finalized on different dates, then 
date expires (see the instructions of your original return), you should you must complete separate amended Illinois returns for each 
file Form IL-1065-X. Due to the automatic extension, any return filed   federal finalization date. For example, if you receive a 2022 return 
after the original return and on or before the extended due date will   adjustment from the IRS on July 10, 2023, then in August 2023, 
be treated as the original return.                                      you amend your U.S. Form 1065 and receive federal finalization on 
If you are filing Form IL-1065-X to change the election on your         October 22, 2023, then you must submit one Form IL-1065-X for the 
original return to treat all income other than compensation as          July 10, 2023, adjustments and a separate Form IL-1065-X for the 
business income, check the box in Step 1, Line F, and provide a         October 22, 2023, adjustments. Failure to file separate amended 
written explanation indicating the change to your election in the       returns for each federal finalization date may result in the denial of 
“Explain the changes on this return” area of your Form IL-1065-X.       the entire claim, a delay in processing, or the assessment of penalty 
                                                                        and interest. 
How long do I have to amend my return?
The amount of time you have to amend your return depends on             What if my amended return involves unitary 
whether your Form IL-1065-X is being filed to report a state or federal filing?
change.                                                                 If you are amending your original
        If an amended return claiming a credit or refund is filed       • non-unitary Form IL-1065 to be included in an existing unitary 
within six months of the expiration of the statute of limitations, then   group and are required to file Schedule UB, Combined 
the statute of limitations will automatically be extended an additional   Apportionment for Unitary Business Group, you must file an 
six months for issuing an assessment of additional tax due.               amended Form IL-1065-X, following the line by line instructions 
State change - If your change creates or increases the Illinois net       provided for Form IL-1065 and Illinois Schedule UB, for the tax 
loss for the year, you must file Form IL-1065-X showing the increase      year you are amending. In addition,
in order to carry the increased loss amount to another year.              —  any combined return filed by the combined group on 
If your change decreases the tax due to Illinois and you are entitled           Form IL-1120 must also be amended to include your 
to a refund or credit carryforward, you must file Form IL-1065-X                information, and 
within                                                                    —  each member that filed a separate unitary return must file an 
•   three years after the due date of the return (including                     amended return to include your information.
  extensions),                                                          • unitary Form IL-1065 to report a state or federal change to 
• three years after the date your original return was filed, or           your unitary income and are required to file Schedule UB, any 
• one year after the date your Illinois tax was paid, whichever is        combined return filed by the group or separate unitary return 
  latest.                                                                 may also need to be amended.
If your change increases the tax due to Illinois, you should file 
Form IL-1065-X and pay the tax, penalty, and interest promptly.         What if my amended return involves an Illinois 
Federal change - Do not file this amended return until you              net loss deduction (NLD)?
receive a federal finalization notification from the IRS stating that   If you have an Illinois NLD carryover from any loss year ending on 
they have accepted your change, either by paying a refund, or by        or after December 31, 1986, it is subtracted from and limited to base 
final assessment, agreement, or judgment. In order to process an        income allocable to Illinois.
amended return due to a federal change, the Illinois Department of      To determine your “Illinois net loss” start with your total unmodified 
Revenue (IDOR) requires federal finalization notification. The federal  base income and apply all addition and subtraction modifications, 
finalization notification includes one or more of the following:        and all allocation and apportionment provisions.
• a copy of your federal audit report (signed and dated by a federal    If you are carrying an Illinois NLD, you must complete and attach
  auditor);                                                             Illinois Schedule NLD, Illinois Net Loss Deduction, and claim the
                                                                        deduction on Step 7, Line 48. See Specific Instructions for Step 7,
• an IRS account transcript; or
                                                                        Line 48.
• a federal refund check.
IL-1065-X Instructions (R-12/22)      Printed by the authority of the State of Illinois - web only - one copy.                       Page 1 of 6

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         Federal finalization notification must be attached to your      What must I attach to my Form IL-1065-X?
amended return before the return will be processed.                      This form must contain a complete explanation of the reasons 
Do not file Form IL-1065-X to report an Illinois NLD carryforward until  for filing the claim or amendment. You must attach proof of the 
after you have filed the loss year Form IL-1065, Form IL-1065-X,         federal finalization date and any schedules, forms, breakdowns, 
or Form IL-843 (for tax years ending prior to December 31, 2006)         statements, or other documentation required to support your claim. If 
reporting the loss. When you file Form IL-1065-X, you must attach a      Form IL-1065-X is submitted without the proper attachments, it may 
completed Illinois Schedule NLD. Failure to attach the correct and       be partially or totally denied.
completed schedule could result in partial or total denial of your       Examples of federal finalization include a copy of one or more of the 
claim.                                                                   following items:
If you need more information, visit our website at tax.illinois.gov      • your audit report from the IRS
and see the Schedule NLD instructions, or 86 Ill. Adm Code Sections 
100.2050 and 100.2300 through 100.2330.                                  • your federal record of account verifying your ordinary business 
                                                                           income
Who should sign the return?                                              If you are filing Form IL-1065-X because
Your Form IL-1065-X must be signed by a partner or any other             • you filed an amended federal return and your tax due to Illinois 
officer duly authorized to sign the return. In the case of a bankruptcy,   decreases, you must attach proof of the federal finalization 
a receiver, trustee, or assignee must sign any return required to be       date, a copy of that federal return, plus any other related forms, 
filed on behalf of the partnership.                                        schedules, or attachments, including a signed and dated copy 
         If you are operating as a business organized under                of any federal report of income tax examination changes, if 
the Lloyd’s plan of operation, an officer of that plan must sign           applicable. 
Form IL-1065-X.                                                          • you filed an amended federal return and your tax due to Illinois 
Any person paid to prepare the return (other than a regular, full-time     increases, you must attach proof of the federal finalization 
employee of the taxpayer, such as a clerk, secretary, or bookkeeper)       date, including a signed and dated copy of any federal report 
must provide a signature, date the return, enter the preparer tax          of income tax examination changes, if applicable, showing 
identification number (PTIN) issued to them by the Internal Revenue        the change was reported to Illinois within 120 days of IRS 
Service, and provide their firm’s name, federal employer identification    acceptance, or you may be assessed a late-payment penalty.
number (FEIN), address, and phone number.                                • of a change by the IRS, you must include all copies of the 
                                                                           federal examining officer’s reports, including preliminary, revised, 
Can a reasonable facsimile be used?
                                                                           corrected, and superseding reports, and a signed and dated 
In general, you must obtain and use forms prescribed by IDOR.              copy of any federal report of income tax examination changes, if 
Separate statements not on forms provided or approved by                   applicable.
IDOR will not be accepted and you will be asked for appropriate 
documentation. Failure to comply with this requirement may               • you copied information incorrectly from your U.S. Form 1065 
result in failure to file penalties, a delay in the processing of          onto your Form IL-1065, you must include a copy of your U.S. 
your return, or a delay in the generation of any overpayment.              Form 1065.
Additionally, failure to submit appropriate documentation when           • of a change in, or audit of, another state’s tax return, you 
requested may result in a referral to our Audit Bureau for compliance      must include a copy of the other state’s corrected return or the 
action.                                                                    examining officer’s reports.
Partnerships must complete Form IL-1065-X. Do not send a                 • of a change in the information reported on your Schedule B, 
computer printout with line numbers and dollar amounts attached            Partners’ or Shareholders’ Information, you must include a 
to a blank copy of the return. Computer generated printouts are            corrected Illinois Schedule B.
not acceptable, even if they are in the same format as IDOR forms.       • of changes reported on a revised Schedule K-1-P, Partner’s 
Computer generated forms from an IDOR-approved software                    or Shareholder’s Share of Income, Deductions, Credits, and 
developer are acceptable.                                                  Recapture, or K-1-T, Beneficiary’s Share of Income and 
                                                                           Deductions, (or any equivalent document) you received, you 
What are the penalties and interest?                                       must include a copy of the revised Schedule(s) K-1-P or K-1-T 
Penalties — You will owe                                                   (or equivalent document). Do not attach copies of Schedule(s) 
•  a late-filing penalty if you do not file a processable return by the    K-1-P you issued and which lists your name and FEIN in Step 1 
   extended due date;                                                      of Schedule K-1-P.
•  a late-payment penalty if you do not pay the tax you owe by the       • of changes, other than those described above, see Form IL-1065 
   original due date of the return;                                        Instructions and any schedules for the year you are changing to 
•  a late-payment penalty for underpayment of estimated tax if             determine what attachments you must provide.
   you were required to make estimated tax payments and failed to        Should I round?
   do so, or failed to pay the required amount by the payment due        You must round the dollar amounts on Form IL-1065-X to whole-dollar
   date;                                                                 amounts. To do this, you should drop any amount less than 50 cents
•  a bad check penalty if your remittance is not honored by your         and increase any amount of 50 cents or more to the next higher
   financial institution;                                                dollar.
• a  cost of collection fee if you do not pay the amount you owe         Where should I file?
   within 30 days of the date printed on your bill.                      Mail your Form IL-1065-X to:
Interest — The interest rate is the federal underpayment rate, which     ILLINOIS DEPARTMENT OF REVENUE
is set by the IRS under Internal Revenue Code (IRC) Section 6621.        PO BOX 19016
         For more information about penalties and interest, see          SPRINGFIELD IL  62794-9016
Publication 103, Penalties and Interest for Illinois Taxes.

Page 2 of 6                                                                                                         IL-1065-X Instructions (R-12/22)

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What if I need additional assistance or forms? J — Enter your North American Industry Classification System
• Visit our website at tax.illinois.gov for assistance, forms, or (NAICS) Code. If you are unsure of your code, you can research the
schedules. information at www.census.gov/naics/ or www.irs.gov.
• Write us at: K — If you have completed U.S. Form 8886 or U.S. Schedule M-3,
ILLINOIS DEPARTMENT OF REVENUE Part II, Line 10, to report a tax shelter and you did not attach a copy
PO BOX 19001 to the original return, check the appropriate box and attach a copy
SPRINGFIELD IL 62794-9001 of the federal form or schedule to this return. If you are filing this
• Call 1 800 732-8866 or 217 782-3336 (TDD, telecommunications return because of changes associated with U.S. Form 8886 or U.S.
device for the deaf, at 1 800 544-5304). Schedule M-3, Part II, Line 10, provide a detailed explanation in the
• Visit a taxpayer assistance office - 8:00 a.m. to 5:00 p.m. “Explain the changes on this return” area of your Form IL-1065-X.
(Springfield office) and 8:30 a.m. to 5:00 p.m. (all other offices), L — You must check the box and attach Form IL-4562, Special
Monday through Friday. Depreciation, if you are claiming special depreciation addition or
subtraction modifications on Form IL-1065-X, even if the amounts are
not changing from your original return.
Specific Instructions M — You must check the box and attach Schedule M, Other
Additions and Subtractions (for businesses), if you are claiming other
For instructions regarding completion of Steps 1 through 8, refer addition or subtraction modifications on Form IL-1065-X, even if the
to the Form IL-1065 Instructions and schedules for the year being amounts are not changing from your original return.
amended.
N — You must check the box and attach Schedule 80/20, Related-
Specific instructions for most of the lines are included. If a specific Party Expenses, if you are claiming related-party expenses
line is not referenced, follow the instructions on the form. modifications on your Form IL-1065-X, even if the amounts are not
Enter the tax year you are amending in the space provided at the top changing from your original return.
of Form IL-1065-X. O — Check the box if you are claiming deductions or credits listed
Step 1: Identify your partnership on Illinois Schedule 1299-A, Tax Subtractions and Credits (for
partnerships and S corporations). You must check the box and
A — Type or print your legal business name. If you have a name
attach Illinois Schedule 1299-A and any other required support listed
change from your original return, check the corresponding box.
on Schedule 1299-A to your tax return to support any deductions or
B — Type or print your mailing address. If your address has credits you are claiming or passing to your shareholders.
changed since you filed your last return, check the box.
P — If your business activity is protected under Public Law
C — Check the box if you are filing this form only to report an 86-272, check this box and complete Steps 1 through 7 of the Form
increased net loss, you have no surcharge for sale of assets by gaming IL-1065-X.
licensee and no pass-through withholding payments to report on
Q — Check this box if you are filing this amended return to report
behalf of your members on your original or amended return, and
changes to your Illinois sales factor numerator due to the inclusion or
no overpayment will result. Complete Steps 2 through 5, Step 6, if
exclusion of throwback sales.
applicable, and Step 7, Line 47. Sign the return in Step 10 and leave
the rest of the form blank. R — Check this box if you are filing this amended return to report
changes to your Illinois sales factor numerator due to the inclusion or
D — Check the appropriate box if you are an investment partnership
exclusion of double throwback sales.
or publicly-traded partnership. Otherwise, leave this line blank.
S — If you are attaching Subgroup Schedule to your Schedule UB,
E — Check the appropriate box for the reason you are filing
Combined Apportionment for Unitary Business Group check the box.
this return. If you are amending due to a federal change, you must
See Subgroup Schedule Instructions and Schedule UB Instructions
check the appropriate box for partial agreed or finalized, and include
for more information.
the date of IRS finalization, which might not be the date the federal
T — Check this box if you are a 52/53 week filer. A 52/53 week
amended return was filed. Please attach a dated copy of any federal
filer is a fiscal filer with a tax year that varies from 52 to 53 weeks
examining officer’s report. If you do not provide this date or the
because their tax year ends on the same day of the week instead
required attachments, you may be assessed penalties and interest.
of the last day of the month.
F — If you are filing Form IL-1065-X before the extended due U — Check this box if you are paying Pass-through Entity (PTE)
date, and wish to make the election to treat all income, other than Tax and you annualized your income on Form IL-2220. Attach
compensation, as business income for this tax year, check this box. Form IL-2220.
If you previously had nonbusiness income on Form IL-1065, Step 5,
Lines 36 and 44, you must reduce these amounts to zero on this Explain the changes on this return
Form IL-1065-X. This election must be made by the extended due
date of the original tax return. Once made, the election is irrevocable. The purpose of this area is to allow you to explain what specific
If you are filing Form IL-1065-X after the extended due date of the changes you are making to your Illinois tax return. You should
original return and did not make the election on your most recent include all relevant information, including, but not limited to, changes
return filed before the extended due date, you cannot check this box. made to
G — Check this box if you elect to pay PTE tax in an amount equal • specific addition and subtraction modifications,
to 4.95 percent (.0495) of the taxpayer’s calculated net income for • unitary membership or unitary status,
the tax year on Line 61. • the business income election,
H — Enter your entire federal employer identification number (FEIN). • credit or credit recapture amounts,
I — If you are a member of a unitary business group and are • the Illinois net operating loss deduction, and
included on Schedule UB, Combined Apportionment for Unitary • the federal or other state return that caused changes to the
Business Group, check the box. Enter the entire FEIN of the member Illinois return.
who prepared the Illinois Schedule UB and attach the Schedule UB You must provide an explanation for each line item you change.
to this return.

IL-1065-X Instructions (R-12/22) Page 3 of 6

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If your changes generate an overpayment which you elect to receive If you check the box on Line A, do not complete Step 6,
as a credit carryforward and you elect to apply that credit to a tax Column B. All of your amended base income or loss is allocable
year other than the year described in the Line 70 instructions, you to Illinois. Skip Step 6, Column B, enter the amount from Step 7,
must follow the instructions found under “May I apply my credit to a Column B, Line 35 on Step 7, Column B, Line 47, and complete the
different tax year?” If you fail to include the required information in remainder of the return.
your explanation, your election will be considered invalid and we will Check the box on Line B if any of the following apply:
not apply your credit as you requested. • your base income or loss is derived inside and outside Illinois;
General Information for Steps 3 through 9 • all of your base income or loss is derived outside Illinois; or
Column A — Enter the amounts from your most recently filed or • you have income or loss to report on Lines 36, 37, 44, or 45.
adjusted return for the year that you are amending. These may be If you check the box on Line B, you must complete all lines of
figures from your original Form IL-1065 or a previously amended or Step 6, Column B. Submitting Form IL-1065-X with an incomplete
audited return. Step 6, Column B, including Lines 40, 41, and 42 may result in a
Column B — Enter the correct amount for each line in Column B. delay in processing your return, further correspondence, and you
For each line item you change, you must provide an explanation in may be required to submit further information to support your filing.
the “Explain the changes of this return” area of your Form IL-1065-X. See the Specific Instructions for Step 6 for more information.
If you are filing this form only to report an increase in your Unitary filers who are required to file a Schedule UB -
Illinois net loss, you have no surcharge for sale of assets by gaming You must complete both Step 4 of the Schedule UB and Step 6,
licensee, no pass-through withholding payments to report on behalf Column B of the Form IL-1065-X.
of your members on your original or amended return, and the
change will not result in an overpayment, see the instructions for Step 6: Figure your income allocable to Illinois
Step 7, Line 47. Complete Step 6 only if you originally completed this step, or if
you need to make a change that affects your base income or
Steps 2 and 3: Figure your ordinary income or loss allocable to Illinois. Refer to Form IL-1065, Step 6, Specific
loss and Figure your unmodified base income Instructions, for the year being amended.
You must check the box on Line B and complete Step 6 if any
or loss
portion of Step 5, Column B, Line 35, base income or loss, is
If you are a member of a unitary group see “What if I am a derived outside Illinois, or you have any income or loss to report on
member of a unitary group?“ in the Form IL-1065 instructions. Column B, Lines 36, 37, 44, or 45.
Lines 1 through 13 — Refer to your Form IL-1065, If you do not complete all of Step 6, Column B, Lines 36 through 46,
Steps 2 and 3, Specific Instructions, for the year being amended. we may issue a notice and demand proposing 100 percent of income
Do not apply your Illinois net loss deduction amount in this as being allocated to Illinois, or in the case of a loss return, a notice
step. Net Loss Deductions are reported on Step 7, Line 48. indicating none of your loss as being allocated to Illinois.
Lines 36 and 44 — If you elected to treat all of your income other
Steps 4 and 5: Figure your income or loss and
than compensation as business income on your original tax return,
Figure your base income or loss you must follow that election by entering zero on Form IL-1065-X,
If you are a member of a unitary group see “What if I am a Lines 36 and 44. If you are filing Form IL-1065-X before the extended
member of a unitary group?“ in the Form IL-1065 instructions. due date and are making the election to treat all nonbusiness income
Lines 15 through 22 and Lines 24 through 33 — List each as business income, Column B, Lines 36 and 44 should be reduced
item and the amount on the line provided. You must identify all to zero.
subtractions and attach all of the required supporting documentation.
Step 7: Figure your net income
If you need to make a correction to Line 21 or Line 27,
use the worksheet located in the Schedule B Instructions of the Line 47 — Follow the instructions on the form. If the amount in
Form IL-1065 Instructions to figure the correct amounts. You Column A reflects income and the corrected amount in Column B
must attach a corrected Illinois Schedule B if there is a change reflects a loss, you may be able to carry this loss to other years as an
in the information reported on your most recently filed Illinois Illinois NLD. See the instructions for Illinois Schedule NLD for more
Schedule B. information.
Line 35 — This is your base income or loss. If you are filing this form only to report an increase in your
Illinois net loss, you have no surcharge for sale of assets by gaming
Column A — Enter the amounts from your most recently filed or licensee, no pass-through withholding payments to report on behalf
adjusted return. Do not check a box on Lines A or B to indicate of your members on your original or amended return, and the change
how your income was reported on your most recently filed or will not result in an overpayment, check the box in Step 1, Line C,
adjusted return. The check boxes on Lines A and B are used when complete Steps 2 through 5, Step 6, if applicable, and Step 7,
reporting your amended base income or loss in column B. Line 47. Complete the “Explain the changes on this return” area of
Column B — Follow the instructions on the form and check the your Form IL-1065-X stating what caused the increase in the Illinois
box on Line A or B that applies to the amount in Column B. You must net loss and sign the return in Step 10. Leave the rest of the form
check one of these boxes and follow the instructions for that line blank.
when completing Column B. Enter your Illinois NLD from the Illinois Schedule NLD,
Line 48 —
Check the box on Line A if Step 1, Line 7 total box. Attach Illinois Schedule NLD to your
• all of your base income or loss is derived inside Illinois; and Form IL-1065-X.
• you do not have any income or loss to report on Lines 36, 37, Line 52 — The standard exemption is $1,000 multiplied by a
44, or 45. fraction in which the numerator is your base income allocable to
Illinois and the denominator is your total base income. This figure
cannot be greater than “$1,000.” The standard exemption is $0.00 if
your unmodified base income amount on Step 3, Line 13 is $250,000
or more.
Page 4 of 6 IL-1065-X Instructions (R-12/22)

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If you have a change in your tax year end, and the result is a tax Line 63c — Enter the amount you wish to claim of Illinois
period of less than 12 months, the standard exemption is prorated pass-through withholding payments reported to you by partnerships,
based on the number of days in the short tax year. However, if this is S corporations, or trusts, on Schedule(s) K-1-P or K-1-T. If you
your first or final return, you are allowed to use the full-year standard received more than one Schedule K-1-P or K-1-T, add the amounts
exemption even if it is a short tax year. you wish to claim from all the schedules and enter the total here.
Line 53 — If Line 49 is a loss, enter the amount from Line 49 on Attach copies of the Schedules K-1-P and K-1-T you received
Line 53. Do not increase your loss by the exemption allowance on from the pass-through entities to your Form IL-1065-X. See
Line 52. “Definitions to help you complete your Form IL-1065” in the Form
IL-1065 instructions for more information.
Step 8: Figure the taxes and pass-through Do not include any pass-through withholding payments
withholding you owe you owe on behalf of your members on this line. Pass-through
Follow the instructions on the form. Be sure to attach any required withholding payments you owe on behalf of your members are
schedules or forms. included on Step 8, Line 59.
Line 55 —See IllinoisSchedule 4255, Recapture of Investment Line 63d — Enter the amount of any Illinois gambling and sports
Tax Credits, for more information. You must attach Illinois wagering winnings withholding shown on Form(s) W-2G. Attach
Schedule 4255 if you have an amount on this line. Forms W-2G.
Line 57 — See Form IL-477, Replacement Tax Investment Credits, Line 65 — Enter previously paid penalty and interest. Obtain
for more information. You must attach Form IL-477 and any other this information from your MyTax Illinois account. Sign into
required support listed on Form IL-477 if you have an amount on this mytax.illinois.gov to view or register your account.
line. Line 66 — Enter the total amount of any overpayment,
Line 59 — Complete all sections of Illinois Schedule B and enter credit carryforward, or refund (whether or not you received the
the amount from Illinois Schedule B, Section A, Line 5 on this line. overpayment) reported on your previously filed Form IL-1065 or
This is the amount of pass-through withholding payments you owe Form IL-1065-X. Do not include any interest that you received.
on behalf of your members. You must attach a corrected Illinois Line 70 — Enter the amount of overpayment you elect to be
Schedule B if there is a change in the information reported on credited forward. Check the box on this line if this is your final return
your most recently filed Illinois Schedule B. See “Definitions and any remaining carryforward is being transferred to another
to help you complete your Form IL-1065” in the Form IL-1065 entity. Attach a detailed statement to your return listing the FEIN of
instructions for more information. the entity receiving the credit carryforward, the date the credit was
Do not include on Line 59 any pass-through withholding transferred, and the reason for the transfer.
payments reported to you on Schedule(s) K-1-P or K-1-T. See Form IL-1065, Step 9, Line 68 instructions for more information.
Pass-through withholding payment amounts reported to you are
Your credit carryforward will not be applied if you do not file a
included on Step 9, Line 63c.
processable return.
You must also issue revised Schedule(s) K-1-P to
If your overpayment accrues interest and you elect to receive your
your partners if any amounts reported to them on the original
Schedule(s) K-1-P you issued have changed. Mark the top of the • entire overpayment as a credit carryforward, any interest due will
revised Schedule(s) K-1-P you issue as “Revised.” be applied with your credit as an additional credit carryforward.
We will calculate the amount of interest due and notify you.
Line 60 — Complete this line if you elected to pay PTE tax on your
When you claim your credit carryforward in a future year you
calculated base income. Follow the instructions on the PTE Income
must include this interest amount in the amount claimed.
Worksheet in the Form IL-1065 Instructions.
• overpayment as both a credit carryforward and a refund, we will
You must also issue revised Schedule(s) K-1-P to
apply the credit as you request and include any interest due with
your partners if any amounts reported to them on the original
your refund.
Schedule(s) K-1-P you issued have changed. Mark the top of the
revised Schedule(s) K-1-P you issue as “Revised.” Your credit carryforward may be reduced by us due to
corrections we make to your return, or to satisfy any unpaid tax,
Line 61 — If you complete Line 61, then Line 59 should be blank. penalty, and interest due for this year or any other year. If we reduce
Step 9: Figure your refund or balance due your credit carryforward, it may result in a late-payment penalty in a
If you are filing this form only to report an increase in your subsequent year.
Illinois net loss, you have no pass-through withholding payments to May I apply my credit to a different tax year?
report on behalf of your members on your original or amended return, Yes. If you wish to apply your credit to a tax year other than the one
and an overpayment will not result, do not complete this step. described above, you must indicate the tax year to which you wish to
Line 63a — Enter the sum of any overpayment from your prior have the credit apply in the “Explain the changes on this return” area
year tax returns that you requested to be applied to this year’s tax of your IL-1065-X.
return. Take into account any correspondence we may have sent If you do not follow these instructions, your election will be
you that changed the amount of your credit carryforward from the considered invalid and we will apply your credit as indicated under
previous year. “To which tax year will my credit apply?” in the original return
Line 63b — Enter the sum of the following, not including any instructions.
penalty and interest previously paid: If you submit a valid request, we will apply your credit as you
• estimated payments or tax prepayments made during the tax requested and notify you. Once made, your election to change the
year, tax year to which your credit will apply is irrevocable.
• extension payments, You may only apply your credit to tax years occurring after
• any tax payments you made with a previously filed the year of the return creating the overpayment. If you request to
Form IL-1065-X, and apply more credit than our records show you have available, we
• any other payments made prior to the date this amended return will apply the maximum amount available and notify you of the
is filed (e.g., responding to a bill). difference.

IL-1065-X Instructions (R-12/22) Page 5 of 6

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Line 71 — Follow the instructions on the form. We will calculate any 
interest that may be due you and include it in your refund check. Any 
refund may be reduced to satisfy any outstanding liability.
We do not currently offer direct deposit as a method for receiving a 
refund from an amended return. Overpayments will be refunded by 
check.
Line 72 — Follow the instructions on the form. This is your amount 
of tax due that must be paid in full if $1 or more. We encourage you 
to let us figure your penalties and interest and send you a bill instead 
of determining these amounts yourself. We will compute any penalty 
and interest due and notify you. For more information see “What are 
the penalties and interest?” in these instructions and Publication 103.
       We will apply all payments against tax first, penalty second, 
and interest third.
If you have a balance due on Line 72, be sure to enter the amount 
you are paying on the top of Page 1 of the Form IL-1065-X.  
Complete a payment voucher, Form IL-1065-X-V, make your check 
or money order payable to “Illinois Department of Revenue”  , and 
attach them to the front of the return or file and pay electronically.
Step 10:  Signature, date, and paid preparer’s 
information
You must sign and date your return. If you do not sign your return, 
it will not be considered filed and you may be subject to a nonfiler 
penalty.
If you pay someone to prepare your return, the income tax return 
preparer must also sign and date the return, enter the preparer tax 
identification number (PTIN) issued to them by the Internal Revenue 
Service, and provide their firm’s name, FEIN, address, and phone 
number. 
If you want to allow the paid preparer listed in this step to discuss 
this return with IDOR, check the box. This authorization will allow 
your paid preparer to answer any questions that arise during the 
processing of your return, call us with questions about your return, 
and receive or respond to notices we send. The authorization will 
automatically end no later than one year after you file your amended 
return. You may revoke the authorization at any time by calling or 
writing us.  

Page 6 of 6                                                              IL-1065-X Instructions (R-12/22)

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