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 165Find 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 2016 Form 8879-F IRS e-file Signature Authorization for Form 1041 2016 Form 8879-PE IRS e-file Signature Authorization for Form 1065 2016 Form 8879-B IRS e-file Signature Authorization for Form 1065-B 2016 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2016 Form 8879 IRS e-file Signature Authorization 2016 Form 8879-EO IRS e-file Signature Authorization for an Exempt Organization 2016 Form 8879-S IRS e-file Signature Authorization for Form 1120S 2016 Form 8879-C IRS e-file Signature Authorization for Form 1120 2015 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2015 Form 8879-F IRS e-file Signature Authorization for Form 1041 2015 Form 8879-S IRS e-file Signature Authorization for Form 1120S 2015 Form 8879-B IRS e-file Signature Authorization for Form 1065-B 2015 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2015 Form 8879-EO IRS e-file Signature Authorization for an Exempt Organization 2015 Form 8879 IRS e-file Signature Authorization 2015 Form 8879-PE IRS e-file Signature Authorization for Form 1065 2015 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2014 Form 8879 IRS e-file Signature Authorization 2014 Form 8879-EO IRS e-file Signature Authorization for an Exempt Organization 2014 Form 8879-S IRS e-file Signature Authorization for Form 1120S 2014 Form 8879-F IRS e-file Signature Authorization for Form 1041 2014 Form 8879-PE IRS e-file Signature Authorization for Form 1065 2014 Form 8879-C IRS e-file Signature Authorization for Form 1120 2014 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2014 Pagination First page « First Previous page Previous Page 1 Page 2 Current page 3 Page 4 Page 5 Page 6 Page 7 Next page Next Last page Last »