Part I, line 11, must equal Part II, line 26, column (a); or Schedule M-1, line 1.
Part II, line 26: column (a) must equal Part I, line 11, and column (d) must equal Form 1120-S, Schedule K, line 18.
Line 4b: indicate accounting standard used for line 4a: (1) GAAP (2) IFRS (3) Tax-basis (4) Other (specify).
Line 11: net income (loss) per income statement of the corporation. Combine lines 4 through 10.
Part III, line 32: combine lines 1 through 31. Enter here and on Part II, line 24, reporting positive amounts as negative and negative amounts as positive.
| Question | Answer |
|---|---|
| Form Name | Schedule M-3 (Form 1120-S) |
| Form Length | 3 pages |
| Fillable? | Yes |
| Fillable fields | 381 |
| Avg. time to fill out | 60+ min |
| Edition | 12-2019 |
| Issuing agency | Department of the Treasury, Internal Revenue Service |
| Where to file | Attached to Form 1120-S |
| Matches the agency's file | Yes, checked October 11, 2026 |
| Other names | Schedule M-3 Form 1120-S, 1120-S Schedule M-3, 1120S Schedule M-3, Schedule M-3 1120S, Net Income Loss Reconciliation for S Corporations |
| Official source | Schedule M-3 (Form 1120-S) (Rev 12-2019), Department of the Treasury, Internal Revenue Service |
Form 1120S Schedule M 3 isn’t the one you’re looking for?