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Information about Form 1120, U.S. Corporation Income Tax Return, including recent updates, related forms and instructions on how to file. Use this form to report the income, gains, losses, deductions, credits, and to figure the income tax liability of a corporation.

Information about Form 1120-S, U.S. Income Tax Return for an S Corporation, including recent updates, related forms, and instructions on how to file. Form 1120-S is used by corporations that elect to be S corporations to report income, deductions, gains, losses, etc.

Information about Form 1065, U.S. Return of Partnership Income, including recent updates, related forms and instructions on how to file. Form 1065 is used to report the income of every domestic partnership and every foreign partnership doing business in the U.S. or getting income from U.S. sources.

LB&I directive on amended return/claim for refund relating to Internal Revenue Code Section 199 (IRC ¡ì 199)

If you own a small business or are self-employed, use this IRS guidance to determine if you need to file form 1099 or some other information return.

IR-2023-244, Dec. 19, 2023 ¡ª In a major step to help people who owe back taxes, the Internal Revenue Service today announced new penalty relief for approximately 4.7 million individuals, businesses and tax-exempt organizations that were not sent automated collection reminder notices during the pandemic.

Check the forms filed by your business and print or download as a reference when authorizing designated users to access forms in your account.

In the event of the death of your spouse, or your need to attend to the affairs of another taxpayer, this page will provide you with information to help you resolve the final tax issues of the deceased taxpayer and their estate.

Find information for trustees administering bankruptcy estates, including notification of filing, addresses, Chapter 13 claim payments and IRS penalties.

AZ-2022-08, September 8, 2022 ¡ª Victims of Arizona severe storms occurring between July 17 and July 18, 2022, now have until November 15, 2022, to file various individual and business tax returns and make tax payments, the Internal Revenue Service announced today.