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 - 64 of 64Find 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 3800 General Business Credit 2017 Instruction 3800 Instructions for Form 3800, General Business Credit 2017 Form 3800 General Business Credit 2018 Instruction 3800 Instructions for Form 3800, General Business Credit 2018 Instruction 3800 Instructions for Form 3800, General Business Credit 2019 Form 3800 General Business Credit 2019 Instruction 3800 Instructions for Form 3800, General Business Credit 2020 Form 3800 General Business Credit 2020 Instruction 3800 Instructions for Form 3800, General Business Credit 2021 Form 3800 General Business Credit 2021 Instruction 3800 Instructions for Form 3800, General Business Credit 2022 Form 3800 General Business Credit 2022 Form 3800 General Business Credit 2023 Instruction 3800 Instructions for Form 3800, General Business Credit 2023 Pagination First page « First Previous page Previous Page 1 Page 2 Current page 3