Corporate Income Tax Forms - 2025

Corporate Income Tax Return

FORM NUMBER FORM TITLE INSTRUCTIONS FILE ONLINE
1120ME (PDF) Corporate Income Tax Return (Form 1120ME, Schedule A) 1120ME Instructions (PDF) n/a

Schedules & Worksheets

FORM NUMBER FORM TITLE INSTRUCTIONS
Schedule 1A (PDF) Income Addition Modifications See 1120ME Instructions
Schedule 1S (PDF) Income Subtraction Modifications See 1120ME Instructions
Schedule C (PDF) Tax Credits for Corporations See 1120ME Instructions
Schedule X (PDF) Amended Return Adjustments See 1120ME Instructions
Form CR (PDF) Combined Report for Unitary Members See 1120ME Instructions
Schedule NOL (PDF) For Calculating the Net Operating Loss (NOL) Recapture Subtraction Modification Included
Worksheets for Tax Credits Worksheets for Tax Credits Claimed on Form 1120ME, Schedule C Included
2220ME (PDF) Underpayment of Estimated Tax by Corporations or Financial Institutions Included
2220ME Annualized Worksheet (PDF) Annualized Income Installment Worksheet for Underpayment of Estimated Tax Included

Payment Vouchers

FORM NUMBER FORM TITLE INSTRUCTIONS PAY ONLINE
1120EXT-ME (PDF) Extension Payment Voucher Included n/a

Other

FORM NUMBER FORM TITLE INSTRUCTIONS
Corporate Unitary Questionnaire (PDF) Worksheet to Help Determine the Degree to Which a Unitary Business Exists Included
Corporate Nexus Questionnaire (PDF) Worksheet to Help Determine the Degree to Which Corporate Income Tax Nexus Exists Included