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 2026 - 2050 of 2063Find 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 8879-C IRS e-file Signature Authorization for Form 1120 2006 Form 8879-C IRS e-file Signature Authorization for Form 1120 2005 Form 8879-C IRS e-file Signature Authorization for Form 1120 2004 Form 8879-C IRS e-file Signature Authorization for Form 1120 2003 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2021 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2020 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2019 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2018 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2017 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2016 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2015 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2014 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2013 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2012 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2011 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2010 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2009 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2008 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2007 Form 8879-S IRS e-file Signature Authorization for Form 1120-S 2021 Form 8879-S IRS e-file Signature Authorization for Form 1120-S 2020 Form 8879-S IRS e-file Signature Authorization for Form 1120-S 2019 Form 8879-S IRS e-file Signature Authorization for Form 1120S 2018 Form 8879-S IRS e-file Signature Authorization for Form 1120S 2017 Form 8879-S IRS e-file Signature Authorization for Form 1120S 2016 Pagination First page « First Previous page Previous … Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Current page 82 Page 83 Next page Next Last page Last »