Form 1065 2025. The due date for your business’s federal income tax return for the 2024 tax year depends on the type of business you’re operating. September 15, 2025 form 1040 / 1120 calendar year corporations:
Deadline for s corps to file their 2024 income tax return via form 1120. The irs said friday that it is providing relief from certain penalties imposed solely for failure of a partnership with unrealized receivables or inventory items to furnish part iv of form.