Not all errors need amending by the form. The IRS will spot and correct a mathematical error, for example, when the initial tax return is sent in for processing. When this happens, any refund owed will be adjusted and any extratax liabilitydue will be billed to the taxpayer.1In the even...
If amending your tax return results in a higher tax bill, you will need to make an additional tax payment. You can mail a check with the amendment or go online and make a payment at the IRS website after logging into their system. By making a payment now instead of waiting ...