Florida Form F-1120 at a glance
What it is: Form F-1120 is the Florida Corporate Income/Franchise Tax Return.
Who signs: Under Sign here, enter the Title, the Signature of officer and the Date.
What to bring and attach to Florida Form F-1120
This return is considered incomplete unless a copy of the federal return is attached.
Attach a copy of your Florida Form F-7004 (extension of time) if applicable.
A filled-in Florida Form F-1120 example: a Florida corporation computes its tax
How to fill out Florida Form F-1120, box by box
Name, address and FEIN
Use black ink.
Check here if any changes have been made to name or address.
Enter the Federal Employer Identification Number (FEIN).
Lines 1 to 6: from federal taxable income to adjusted federal income
Line 1 is Federal taxable income (see instructions), and you attach pages 1-6 of federal return.
Line 2 is State income taxes deducted in computing federal taxable income (attach schedule).
Line 3 is Additions to federal taxable income (from Schedule I).
Line 4 is Total of Lines 1, 2, and 3.
Line 5 is Subtractions from federal taxable income (from Schedule II).
Line 6 is Adjusted federal income (Line 4 minus Line 5).
Lines 7 to 13: from the Florida portion to the tax due
Line 7 is Florida portion of adjusted federal income (see instructions).
Line 8 is Nonbusiness income allocated to Florida (from Schedule R).
Line 9 is Florida exemption.
Line 10 is Florida net income (Line 7 plus Line 8 minus Line 9).
Line 11 is Tax due: 5.5% of Line 10.
Line 12 is Credits against the tax (from Schedule V).
Line 13 is Total corporate income/franchise tax due (Line 11 minus Line 12).
Lines 14 to 19: penalty, payments, amount due, credit and refund
Line 14 has a) Penalty: F-2220, b) Other, c) Interest: F-2220 and d) Other, and a Line 14 Total.
Line 15 is Total of Lines 13 and 14.
Line 16 is Payment credits: Estimated tax payments 16a and Tentative tax payment 16b.
Line 17 is Total amount due: Subtract Line 16 from Line 15. If positive, enter amount due here. If the amount is negative (overpayment), enter on Line 18 and/or Line 19.
Line 18 is Credit: Enter amount of overpayment credited to next year's estimated tax here.
Line 19 is Refund: Enter amount of overpayment to be refunded here.
Signing the return
Under penalties of perjury, you declare that you have examined this return, including accompanying schedules and statements, and to the best of your knowledge and belief, it is true, correct, and complete.
The statute of limitations will not start until your return is properly signed and verified.
Questions A through L
All Taxpayers Must Answer Questions A Through L.
A. State of incorporation.
B. Florida Secretary of State document number.
C. Florida consolidated return? YES or NO.
D. Initial return or Final return (final federal return filed).
F. A Florida extension of time was timely filed? YES or NO.
L. Type of federal return filed: 1120, 1120S or other.
More rules for Florida Form F-1120
Your return must be completed in its entirety.
Write your FEIN on your check.
Sign your check and return.
Attach a copy of your federal return.
If your situation is different
You do business outside Florida
On Schedule II (Subtractions from Federal Taxable Income), taxpayers doing business outside Florida enter zero on Lines 3 through 6 of that schedule, and complete Schedule IV.
Schedule III-A is for use by taxpayers doing business outside Florida, except those providing insurance or transportation services.
Schedule III - Apportionment of Adjusted Federal Income, Line 4 is Apportionment fraction (Sum of Lines 1, 2, and 3, Column [e]). Enter here and on Schedule IV, Line 2.
Additions and Subtractions from Federal Taxable Income
Schedule I - Additions and/or Adjustments to Federal Taxable Income, Line 26 is Total Lines 1 through 25. Enter total on this line and on Page 1, Line 3.
Schedule II - Subtractions from Federal Taxable Income, Line 13 is Total Lines 1 through 12. Enter total on this line and on Page 1, Line 5.
Credits Against the Corporate Income/Franchise Tax
Schedule V - Credits Against the Corporate Income/Franchise Tax, Line 25 is Total credits against the tax (sum of Lines 1 through 24 not to exceed the amount on Page 1, Line 11). Enter total credits on Page 1, Line 12.
You file electronically
You can file and pay your Florida corporate income tax return (Florida Form F-1120) electronically through the Internal Revenue Service's (IRS) Modernized e-File (MeF) Program using electronic transmitters approved by the IRS and the Florida Department of Revenue.
You are requesting a refund
If you are requesting a refund (Line 19), send your return to: Florida Department of Revenue PO Box 6440 Tallahassee FL 32314-6440.
Common questions about Florida Form F-1120
Who signs it?
Under Sign here, enter the Title, the Signature of officer and the Date. Paid preparers only: the Preparer's signature and the Preparer's PTIN.
Is there a deadline?
If 6/30 year end, return is due 1st day of the 4th month after the close of the taxable year, otherwise return is due 1st day of the 5th month after the close of the taxable year.
Where do I file it?
If Filing Paper Return, Where to Send Payments and Returns: Make check payable to and mail with return to: Florida Department of Revenue 5050 W Tennessee Street Tallahassee FL 32399-0135.
Is there a penalty?
If your return is not signed, or improperly signed and verified, it will be subject to a penalty.
Sources
[1] Florida Form F-1120 (R. 01/26), Florida Corporate Income/Franchise Tax Return, Florida Department of Revenue (the Official source link on this page).