Schedule A: Adjustments to Tax (2025)

Maine · Maine Revenue Services · Used for tax years 2025

Maine Schedule A (Form 1040C-ME) reports refundable and nonrefundable tax credits for 2025. It totals refundable credits and calculates allowable nonrefundable credits for entry on Form 1040C-ME.

Who files this form

Schedule A is used with Form 1040C-ME to report the refundable and nonrefundable tax credits listed on the schedule. Enclose the completed schedule with Form 1040C-ME.

What you'll need

  • Form 1040C-ME, including the name shown on that return and the federal EIN.
  • A worksheet for each credit or credit carryforward you report. Each credit entry on Schedule A says to enclose a worksheet.
  • The amounts from Form 1040C-ME, lines 2 and 3, to calculate Schedule A, line 19.

How to file

Enclose Schedule A with Form 1040C-ME, along with the worksheets for the credits you report.

The supplied form does not give a mailing address or e-file directions. It directs readers to maine.gov/revenue/tax-return-forms for more information.

Common mistakes

  • Do not enter dollar signs, commas, or decimals.
  • Leave lines 5 and 17 blank. They are reserved for future use, and the form says not to enter amounts on them.
  • Remember to enclose the required credit worksheets.
  • Remember to enclose Schedule A with Form 1040C-ME.

Questions people ask

Where do I report the total refundable credits?

Add Schedule A, lines 1 through 6. Enter the total on Schedule A, line 7, and Form 1040C-ME, line 6c. Leave reserved line 5 blank.

How do I calculate total nonrefundable credits?

Add Schedule A, lines 8 through 17, and enter the total on line 18. Leave reserved line 17 blank.

How much can I enter as allowable nonrefundable credits?

First, add Form 1040C-ME, lines 2 and 3, and enter that amount on Schedule A, line 19. Then enter the smaller of Schedule A, line 18 or line 19, on line 20 and on Form 1040C-ME, line 4.

Do I need to include worksheets?

Yes. Each listed credit and the carryforward of certain credit amounts require an enclosed worksheet.

Official sources

All versions of Schedule A