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Missouri Department of Revenue
Declaration of Estimated Tax for Corporation Income Tax
Corporations required to file estimated tax payments: e) the tax figured by using the current year’s rates but based on the prior
If your corporation is subject to income tax under Chapter 143, RSMo (including year’s return and the law that applied to the prior year; or
those with unrelated business taxable income and excluding qualified S f) 90 percent of the tax for the taxable year computed by placing on
corporations), your corporation is required to make estimated tax payments for an annualized basis the taxable income for the months in the
the taxable year if your Missouri estimated tax can reasonably be expected to be taxable year ending before the month that the installment is
at least $250 (Section 143.521.2, RSMo). Do not use Form MO-1120ES for S required to be paid.
corporation shareholder composite returns. Access dor.mo.gov/intrates.php to obtain the current interest rate.
When to file and pay estimated tax payments: You must file the estimated Note: Exceptions (b) and (e) do not apply to large corporations (defined in
tax payments along with Form MO-1120ES, on or before the 15th day of the Section 143.761.6, RSMo, as one that in any of the three preceding
4th, 6th, 9th, and 12th months of the tax year. When the due date falls on a taxable years had a federal taxable income of at least one million
Saturday, Sunday, or legal holiday, the payment will be considered timely dollars and Missouri taxable income of at least one hundred thousand
if made on the next business day. Payments must accompany the Form dollars). Please see Section 143.761, RSMo, and 12 CSR 10-2.067 for other
MO-1120ES. Your corporation will not receive a quarterly billing. exceptions provided by law and further clarification.
Paying estimated tax payments online: YoYou can pay your estimated tax Rounding on estimated tax payments: You must round all cents to the
payments online using a Credit Card or E-Check (Electronic Bank Draft). To nearest whole dollar. For 1 cent through 49 cents, round down to the previous
file and pay online, please visit dor.mo.gov/business/payonline.php. whole dollar amount (round $32.49 down to $32.00) on the form. For 50 cents
Changes in taxable income: On April 15, your corporation may not be required through 99 cents, round up to the next whole dollar amount (round $32.50 up to
to file an estimated tax payment. In the event a change in income later requires $33.00) on the form. The zeros have already been placed in the cent columns.
an estimated tax payment, the time for filing is as follows: June 15 if the change
occurs after April 1 and before June 2; September 15 if the change occurs after Form MO-1120ES:
June 1 and before September 2; December 15 if the change occurs after • Verify name, address, Missouri Tax I.D. Number, and Federal I.D.
Sep tem ber 1. These dates only apply to a calendar year corporation. For fiscal Number on Form MO-1120ES. If any information is missing, fill in the
year corporations, complete the Estimated Tax Worksheet (Section 143.531, correct information.
RSMo). • Enter on Form MO-1120ES, the amount of the installment payment from
Note: Filing an estimated tax payment, amended estimated tax payment, Line 6c of the Estimated Tax Worksheet.
or payment on the last installment date of the taxable year will not relieve • Mail remittance, payable to the Missouri Department of Revenue.
the corporation of additions to tax for failure to pay the estimated tax by the Include the Missouri Tax I.D. Number on the check or money order
designated due dates. (U.S. funds only).
Additions to tax for failure to pay estimated tax: Section 143.761, RSMo, If the declaration must be amended:
provides for additions to tax for underpayment of estimated tax. Calculate the • Complete the Amended Estimated Tax Worksheet.
additions to tax and the applicable rate of interest from the date of the underpaid • Enter the revised amounts on the remaining forms.
installment (Form MO-2220). Interest will be charged on all delinquent payments. • Mail with remittance, payable to the Missouri Department of Revenue.
Additions to tax do not apply if each installment is paid timely, and the total amount If you have any questions concerning Missouri corporation estimated tax
of all payments of estimated tax made on or before the last date prescribed for payments, you may:
payment of such installment equals or exceeds: E-mail: corporate@dor.mo.gov
a) 90 percent of the tax shown on the return (Form MO-1120) for the Visit dor.mo.gov/taxation/business/tax-types/corporation-income/ for
taxable year; or more information about corporate tax.
b) the tax shown on the preceding year’s return, if the return showed a tax Or write to:
liability and was a taxable year of 12 months; or Missouri Department of Revenue
c) 90 percent of the tax on the annualized taxable income of periods from P.O. Box 3365
the first of the year to the end of the month preceding that in which an Jefferson City, MO 65105-3365
installment is due; or (573) 751-4541
d) 90 percent of the tax computed on the basis of the actual taxable Individuals with speech or hearing impairments call TTY at (800) 735-2966.
income for the months in the taxable year ending before the month that
the installment is required to be paid as if such months constituted the
taxable year; or
2025 Declaration Of Estimated Tax for *25119010001*
Corporation Income Tax (Form MO-1120ES) 25119010001
Missouri Tax I.D. Number Taxable Year Beginning (MM/DD/YY)
1st Qtr. 2nd Qtr. 3rd Qtr. 4th Qtr.
Federal Employer I.D. Number Due Date (MM/DD/YY) Amount of this installment
(U.S. funds only).......... $ . 00
Return this form with check or money order payable to the Missouri Department of Revenue
P.O. Box 3020, Jefferson City, MO 65105-3020. If you pay by check, you authorize the
Business Name Department to process the check electronically. Any returned check may be presented again
electronically.
Address (Number and Street)
Department .
City, State, and ZIP Code Use Only
(Revised 12-2024)
