Sometimes tax returns need to be amended due to mistakes or omissions when the return is filed. Here are some things to remember when amending a return: Tax return amendments must be paper filed using Form 1040X. Amended returns can take up to 16 weeks to process. Amendments should be filed to correct errors in filing status, income, deductions, or credits. You do not need to file an amendment for math errors or for missing forms or information. The IRS will correct math errors and send you a request for missing forms or information. Generally, taxpayers have 3 years from the
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