Find IRS forms, instructions, publications, and notices for prior years back to 1864.

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Product Number Title Revision Date
Product Number Form 8879-PE Title IRS e-file Signature Authorization for Form 1065 Revision Date 2012
Product Number Form 8879-PE Title IRS e-file Signature Authorization for Form 1065 Revision Date 2011
Product Number Form 8879-PE Title IRS e-file Signature Authorization for Form 1065 Revision Date 2010
Product Number Form 8879-PE Title IRS e-file Signature Authorization for Form 1065 Revision Date 2009
Product Number Form 8879-PE Title IRS e-file Signature Authorization for Form 1065 Revision Date 2008
Product Number Form 8879-PE Title IRS e-file Signature Authorization for Form 1065 Revision Date 2007
Product Number Form 8879-PE Title IRS e-file Signature Authorization for Form 1065 Revision Date 2006
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120-S Revision Date 2021
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120-S Revision Date 2020
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120-S Revision Date 2019
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2018
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2017
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2016
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2015
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2014
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2013
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2012
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2011
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2010
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2009
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2008
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2007
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2006
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2005
Product Number Form 8879-S Title IRS e-file Signature Authorization for Form 1120S Revision Date 2004