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 26 - 50 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-PE IRS e-file Signature Authorization for Form 1065 2019 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2019 Form 8879-S IRS e-file Signature Authorization for Form 1120-S 2019 Form 8879-EO IRS e-file Signature Authorization for an Exempt Organization 2019 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2019 Form 8879-C IRS e-file Signature Authorization for Form 1120 2019 Form 8879-EO IRS e-file Signature Authorization for an Exempt Organization 2018 Form 8879-C IRS e-file Signature Authorization for Form 1120 2018 Form 8879 IRS e-file Signature Authorization 2018 Form 8879-F IRS e-file Signature Authorization for Form 1041 2018 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2018 Form 8879-PE IRS e-file Signature Authorization for Form 1065 2018 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2018 Form 8879-S IRS e-file Signature Authorization for Form 1120S 2018 Form 8879-I IRS e-file Signature Authorization for Form 1120-F 2017 Form 8879-B IRS e-file Signature Authorization for Form 1065-B 2017 Form 8879-C IRS e-file Signature Authorization for Form 1120 2017 Form 8879 IRS e-file Signature Authorization 2017 Form 8879-PE IRS e-file Signature Authorization for Form 1065 2017 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2017 Form 8879-S IRS e-file Signature Authorization for Form 1120S 2017 Form 8879-EMP IRS e-file Signature Authorization for Forms 940, 940 (PR), 941, 941 (PR), 941-SS, 943, 943 (PR), 944, and 945 2017 Form 8879-EO IRS e-file Signature Authorization for an Exempt Organization 2017 Form 8879-F IRS e-file Signature Authorization for Form 1041 2017 Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) 2016 Pagination First page « First Previous page Previous Page 1 Current page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Next page Next Last page Last »