Corporations operating on a cooperative basis file this form to report their
- income,
- gains, losses, deductions, credits, and
- to figure their income tax liability.
Current revision
Recent developments
Relief from additions to tax for underpayments applicable to the new corporate alternative minimum tax -- 21-DEC-2023
Guidance on determining a corporation’s estimated tax payment –- 20 -JUN-2023
Tax reform guidance for 1120 filers -- 09-APR-2018