Form 1120-S
IRS title for this form number: “U.S. Income Tax Return for an S Corporation”. Other rows in this family carry slightly different titles, listed verbatim below.
13 records in this family: 7 Form rows, 6 Instruction rows, 0 other-language rows. Every link below goes to the IRS’s own PDF for that record.
Form
| Record id | Product number | Title | Revision date | Posted date | Language / edition | IRS copy |
|---|---|---|---|---|---|---|
| Form 1120-S | Form 1120-S | U.S. Income Tax Return for an S Corporation | 2025 | 01/08/2026 | English | Open the IRS copy |
| Form 1120-S (Schedule B-1) | Form 1120-S (Schedule B-1) | Information on Certain Shareholders of an S Corporation | Dec 2020 | 12/16/2020 | Schedule B-1 | Open the IRS copy |
| Form 1120-S (Schedule D) | Form 1120-S (Schedule D) | Capital Gains and Losses and Built-In Gains | 2025 | 12/31/2025 | Schedule D | Open the IRS copy |
| Form 1120-S (Schedule K-1) | Form 1120-S (Schedule K-1) | Shareholder's Share of Income, Deductions, Credits, etc. | 2025 | 01/13/2026 | Schedule K-1 | Open the IRS copy |
| Form 1120-S (Schedule K-2) | Form 1120-S (Schedule K-2) | Shareholders' Pro Rata Share Items-International | 2025 | 01/09/2026 | Schedule K-2 | Open the IRS copy |
| Form 1120-S (Schedule K-3) | Form 1120-S (Schedule K-3) | Shareholder's Share of Income, Deductions, Credits, etc. - International | 2025 | 01/12/2026 | Schedule K-3 | Open the IRS copy |
| Form 1120-S (Schedule M-3) | Form 1120-S (Schedule M-3) | Net Income (Loss) Reconciliation for S Corporations With Total Assets of $10 Million or More | Dec 2019 | 11/22/2019 | Schedule M-3 | Open the IRS copy |
Instructions
| Record id | Product number | Title | Revision date | Posted date | Language / edition | IRS copy |
|---|---|---|---|---|---|---|
| Instruction 1120-S | Instruction 1120-S | Instructions for Form 1120-S, U.S. Income Tax Return for an S Corporation | 2025 | 01/30/2026 | English | Open the IRS copy |
| Instruction 1120-S (Schedule D) | Instruction 1120-S (Schedule D) | Instructions for Schedule D (Form 1120-S), Capital Gains and Losses and Built-In Gains | 2025 | 12/31/2025 | Schedule D | Open the IRS copy |
| Instruction 1120-S (Schedule K-1) | Instruction 1120-S (Schedule K-1) | Shareholder's Instructions for Schedule K-1 (Form 1120-S), Shareholder's Share of Income, Deductions, Credits, etc. | 2025 | 01/12/2026 | Schedule K-1 | Open the IRS copy |
| Instruction 1120-S (Schedule K-2 & K-3) | Instruction 1120-S (Schedule K-2 & K-3) | S Corporation Instructions for Schedules K-2 and K-3 (Form 1120-S), Shareholders' Pro Rata Share Items - International and Shareholder's Share of Income, Deductions, Credits, etc. - International | 2025 | 01/12/2026 | Schedule K-2 & K-3 | Open the IRS copy |
| Instruction 1120-S (Schedule K-3) | Instruction 1120-S (Schedule K-3) | Shareholder's Instructions for Schedule K-3 (Form 1120-S), Shareholder's Share of Income, Deductions, Credits, etc. - International | 2025 | 01/12/2026 | Schedule K-3 | Open the IRS copy |
| Instruction 1120-S (Schedule M-3) | Instruction 1120-S (Schedule M-3) | Instructions for Schedule M-3 (Form 1120-S), Net Income (Loss) Reconciliation for S Corporations With Total Assets of $10 Million or More | Dec 2019 | 11/22/2019 | Schedule M-3 | Open the IRS copy |
Source: IRS listing, retrieved September 2026. Record ids: Form 1120-S, Form 1120-S (Schedule B-1), Form 1120-S (Schedule D), Form 1120-S (Schedule K-1), Form 1120-S (Schedule K-2), Form 1120-S (Schedule K-3), Form 1120-S (Schedule M-3), Instruction 1120-S, Instruction 1120-S (Schedule D), Instruction 1120-S (Schedule K-1), Instruction 1120-S (Schedule K-2 & K-3), Instruction 1120-S (Schedule K-3), Instruction 1120-S (Schedule M-3).
Every revision date, posted date, title and PDF link above is copied from the row with that record id in the listing, unchanged.
Full listing: IRS, ‘Forms, instructions and publications’.
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