If you need help with amending your tax returns, TurboTax can guide you through the process. If you’re amending a tax return and are expecting a bigger tax refund, the IRS advises that you wait for the original tax refund check to come in before sending in your amended return (you may cash the check you received). E-filing it will save on some delivery time, since it can take up to 20 weeks to process amended returns after the IRS receives them. Individual Income Tax Return, you will need to either print and sign it, and then mail it, or new as of last summer you can e-file it. In order to file a Form 1040-X Amended U.S. However, if you need to report additional income (W2s, Unemployment, etc), change your filing status, claim missed tax credits and tax deductions, then you do need to amend your tax return if it hasn’t already been accepted by the IRS. If you’ve made minor math errors, the IRS states that they will be able to handle adjustments for minor math errors without requiring a Form 1040-X amended tax return. But what happens if you realize you left something out? When should you amend your tax return? Do You Need to Amend Your Tax Return?įirst off, make sure you need to amend your tax return. Tax Day has come and gone, and you filed your taxes well before the tax deadline.