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 51 - 75 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 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1976 Form 1040-X Amended U.S. Individual Income Tax Return 2009 Form 1040-X Amended U.S. Individual Income Tax Return 2010 Form 1040-X Amended U.S. Individual Income Tax Return 2014 Form 1040-X Amended U.S. Individual Income Tax Return 1981 Form 1040-X Amended U.S. Individual Income Tax Return 2017 Form 1040-X Amended U.S. Individual Income Tax Return 1999 Form 1040-X Amended U.S. Individual Income Tax Return 2000 Form 1040-X Amended U.S. Individual Income Tax Return 1988 Form 1040-X Amended U.S. Individual Income Tax Return 2007 Form 1040-X Amended U.S. Individual Income Tax Return 1990 Form 1040-X Amended U.S. Individual Income Tax Return 2018 Form 1040-X Amended U.S. Individual Income Tax Return 1982 Form 1040-X Amended U.S. Individual Income Tax Return 1994 Form 1040-X Amended U.S. Individual Income Tax Return 1995 Form 1040-X Amended U.S. Individual Income Tax Return 1984 Form 1040-X Amended U.S. Individual Income Tax Return 1996 Form 1040-X Amended U.S. Individual Income Tax Return 1969 Form 1040-X Amended U.S. Individual Income Tax Return 1973 Form 1040-X Amended U.S. Individual Income Tax Return 1985 Form 1040-X Amended U.S. Individual Income Tax Return 1987 Form 1040-X Amended U.S. Individual Income Tax Return 1972 Form 1040-X Amended U.S. Individual Income Tax Return 2012 Form 1040-X Amended U.S. Individual Income Tax Return 1997 Form 1040-X Amended U.S. Individual Income Tax Return 2019 Pagination First page « First Previous page Previous Page 1 Page 2 Current page 3 Page 4 Next page Next Last page Last »