Find IRS forms, instructions, publications, and notices for prior years back to 1864. View more information about Using IRS Forms, Instructions, Publications and Other Item Files. Click on a column heading to sort the list by the contents of that column. Enter a term in the Find box Click the Search button Showing 26 - 50 of 100Find Help Find Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title Show per page 2550100200 SearchClear Product Number Title Revision Date Form 1040-X Amended U.S. Individual Income Tax Return 1976 Form 1040-X Amended U.S. Individual Income Tax Return 1991 Form 1040-X Amended U.S. Individual Income Tax Return 2002 Form 1040-X Amended U.S. Individual Income Tax Return 1970 Form 1040-X Amended U.S. Individual Income Tax Return 1986 Form 1040-X Amended U.S. Individual Income Tax Return 2001 Form 1040-X Amended U.S. Individual Income Tax Return 2020 Form 1040-X Amended U.S. Individual Income Tax Return 1992 Form 1040-X Amended U.S. Individual Income Tax Return 1978 Form 1040-X Amended U.S. Individual Income Tax Return 2003 Form 1040-X Amended U.S. Individual Income Tax Return 1993 Form 1040-X Amended U.S. Individual Income Tax Return 2011 Form 1040-X Amended U.S. Individual Income Tax Return 1979 Form 1040-X Amended U.S. Individual Income Tax Return 2004 Form 1040-X Amended U.S. Individual Income Tax Return 2016 Form 1040-X Amended U.S. Individual Income Tax Return 2005 Form 1040-X Amended U.S. Individual Income Tax Return 2013 Form 1040-X Amended U.S. Individual Income Tax Return 1980 Form 1040-X Amended U.S. Individual Income Tax Return 2006 Form 1040-X Amended U.S. Individual Income Tax Return 2021 Form 1040-X Amended U.S. Individual Income Tax Return 1989 Form 1040-X Amended U.S. Individual Income Tax Return 1977 Form 1040-X Amended U.S. Individual Income Tax Return 1975 Form 1040-X Amended U.S. Individual Income Tax Return 2024 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2009 Pagination First page « First Previous page Previous Page 1 Current page 2 Page 3 Page 4 Next page Next Last page Last »