Each year, millions of U.S. taxpayers submit corrections to their federal tax returns through the Form 1040-X, often to amend reported income, adjust deductions, or fix filing errors. With the 2025 ...
・You usually have up to 3 years to amend your tax return to fix errors. ・Use Form 1040-X to report the changes to the IRS. ・You must include any forms that changed (W-2, 1099, 1098-T). You filed your ...