Find IRS forms, instructions, publications, and notices for prior years back to 1864. If a PDF file won't open, try downloading the file to your device and opening it using Adobe Acrobat. 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 2023 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2021 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2020 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2019 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 2017 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 2014 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2013 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 2011 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 2009 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 2006 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 2004 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2003 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 2001 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 2000 Instruction 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return 1999 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 Pagination First page « First Previous page Previous Page 1 Page 2 Current page 3 Page 4 Next page Next Last page Last »