Use Form 843 to claim a refund or request an abatement of certain taxes, interest, penalties, fees, and additions to tax.
Other Items You May Find Useful
About Publication 505, Tax Withholding and Estimated Tax
About Publication 510, Excise Taxes
About Publication 519, U.S. Tax Guide for Aliens
About Publication 556, Examination of Returns, Appeal Rights, and Claims for Refund
About Publication 926, Household Employer's Tax Guide