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 1 - 25 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 2016 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2002 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1975 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1989 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1990 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2001 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1987 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1973 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1988 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2014 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1972 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1971 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1984 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2018 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1985 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1998 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1997 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1996 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2012 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1994 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1982 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2010 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2007 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2005 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2019 Pagination Current page 1 Page 2 Page 3 Page 4 Next page Next Last page Last »