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 328Find 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 1138 Extension of Time For Payment of Taxes By a Corporation Expecting a Net Operating Loss Carryback 2018 Form 7004 Application for Automatic Extension of Time To File Certain Business Income Tax, Information, and Other Returns 2018 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2018 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2018 Form 8809 Application for Extension of Time to File Information Returns 2017 Form 4868 Application for Automatic Extension of Time to File U.S. Individual Income Tax Return 2017 Form 4868 (SP) Application for Automatic Extension of Time to File U.S. Individual Income Tax Return (Spanish version) 2017 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2017 Form 8868 Application for Extension of Time To File an Exempt Organization Return 2017 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2017 Form 7004 Application for Automatic Extension of Time To File Certain Business Income Tax, Information, and Other Returns 2017 Instruction 7004 Instructions for Form 7004, Application for Automatic Extension of Time To File Certain Business Income Tax, Information, and Other Returns 2017 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2017 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2017 Form 4868 (SP) Application for Automatic Extension of Time to File U.S. Individual Income Tax Return (Spanish version) 2016 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2016 Form 4868 Application for Automatic Extension of Time to File U.S. Individual Income Tax Return 2016 Form 1138 Extension of Time For Payment of Taxes By a Corporation Expecting a Net Operating Loss Carryback 2016 Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) 2016 Form 2350 Application for Extension of Time to File U.S. Income Tax Return 2016 Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 2016 Instruction 7004 Instructions for Form 7004, Application for Automatic Extension of Time To File Certain Business Income Tax, Information, and Other Returns 2016 Form 7004 Application for Automatic Extension of Time To File Certain Business Income Tax, Information, and Other Returns 2016 Form 8809 Application for Extension of Time to File Information Returns 2016 Form 2350 (SP) Application for Extension of Time to File U.S. Income Tax Return (Spanish version) 2015 Pagination First page « First Previous page Previous Page 1 Page 2 Current page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 … Next page Next Last page Last »