The IRS has published Tax Tip 2018-63 with tips for amending a tax return: Tips for Taxpayers Who Have to Amend a Tax Return Taxpayers who discover they made mistakes or omissions on their tax return can correct them by filing an amended tax return. Those who need to amend should remember these tips: File using paper form. Use Form 1040X, Amended U.S. Individual Income Tax Return, to correct the tax return. Taxpayers can’t file amended returns electronically. They can obtain the form on IRS.gov/forms. Mail the Form 1040X to the address listed in the form’s instructions. Amend to correct errors. File an
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