Schedule M-1: Federal Reconciliation (2025)
Massachusetts · Massachusetts DOR · Used for tax years 2025
Massachusetts Schedule M-1, Federal Reconciliation, reports a corporation’s income, deductions, and taxable income before net operating loss and special deductions for 2025. It also collects information about corporate ownership.
What you'll need
Have the following information ready to complete Schedule M-1:
- The corporation’s name, Federal Identification number and taxable year.
- Income and expense figures for Part 1, including sales, cost of goods sold, income, deductions and taxable income before the net operating loss (NOL) deduction and special deductions.
- Form 4797 information for net gain or loss on line 9.
- Form 7205 information for the energy efficient commercial buildings deduction on line 25.
- Year-end corporate ownership information for Part 2, including names, Federal Identification numbers, ownership percentages, entity type and country of organization or incorporation, as requested.
How to file
File electronically. The form states that paper returns will not be accepted.
For questions about electronic filing, call 617-887-6367. For more information, visit the Massachusetts DOR electronic filing and payment requirements page. The form also refers filers to TIRs 16-9 and 21-9.
Common mistakes
- Submitting a paper return. The form repeatedly warns that filing must be electronic and that paper returns will not be accepted.
Questions people ask
What information does Schedule M-1 cover?
The 2025 Massachusetts Schedule M-1 is titled “Federal Reconciliation.” Part 1 covers income and expenses, and Part 2 covers corporate ownership.
Which other forms are referenced in Part 1?
Line 9 asks for net gain or loss from Form 4797. Line 25 asks for the energy efficient commercial buildings deduction from Form 7205.
What ownership threshold does Part 2, question 1 use?
It asks whether, at the end of the tax year, a foreign or domestic corporation, partnership, entity treated as a partnership, trust or tax-exempt organization directly or indirectly owned more than 50% of the total voting power of the corporation’s stock entitled to vote.
What ownership threshold does Part 2, question 2 use?
It asks whether, at the end of the tax year, the corporation directly or indirectly owned 50% or more of the total voting power of all classes of stock entitled to vote in any foreign or domestic corporation.