IRS 1040-X Form Fullerton California 2019-2025

IRS 1040-X 2025 Form Fullerton California: What You Should Know

IRS Taxpayer and Taxpayer Advocate Service. Form 1040X (Rev. July 2021) — Internal Revenue Service Form 1040X. (Rev. July 2021). Individual Income Tax Return. U.S. Department of the Treasury—Internal Revenue Service. Contact Your Local IRS Office | IRS Taxpayer Advocate Service Sep 10, 2025 — Use these addresses for filing online when filing Form 1040X, Amended U.S. Individual Income Tax Return. The tax filing service that you used to file Form 1040X (or a part of it) is a matter of local choice. Your local TAC will tell you if your local filing option and office hours vary during the filing season. Form 1040X (Rev. July 2021) — Internal Revenue Service Form 1040X. (Rev. July 2021). Amended U.S. Individual Income Tax Return. IRS Taxpayer and Taxpayer Advocate Service. Contact Your Local IRS Office | IRS Taxpayer Advocate Service Sep 24, 2025 — Use this address when filing online to file Form 1040X, Amended U.S. Individual Income Tax Return. IRS Taxpayer and Taxpayer Advocate Service. Form 1040X — Internal Revenue Service Sep 30, 2025 — You can use these addresses when filing Form 1040X, Amended U.S. Individual Income Tax Return if you are using the 1040X computerized filing option. Otherwise, Form 1040X, or a part of it, must be filed on paper. You can use this address if you have a return for which you need to change the number of taxable and exempt amounts, and you want to file electronically. U.S. Individual Income Tax Return: U.S. Treasury Oct 4, 2025 — Use the address to contact your local IRS Taxpayer and Taxpayer Advocate Services office if you are using the 1040X electronic filing option. Otherwise, the Form 8862, U.S. Individual Income Tax Return, which you used to file will be sent to your address if you are filing Form 1040X (or a part of it). You can use this address only for tax years ending before December 31, 2016. Oct 11, 2025 — Use this address for Form 1040X, when submitting an extension request due to an imminent change in your circumstances that could affect your income, and you should expect such a change in income in the next 12 months. Form 1040X-X. (Rev. July 2021).

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