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 1 - 7 of 7Find Help Find Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title Show per page 2550100200 SearchClear Product Number Title Revision Date Instruction 8978 Instructions for Form 8978, Partner's Additional Reporting Year Tax 2019 Instruction 8978 Instructions for Form 8978, Partner's Additional Reporting Year Tax 2024 Instruction 8978 Instructions for Form 8978, Partner's Additional Reporting Year Tax 2021 Instruction 8978 Instructions for Form 8978, Partner's Additional Reporting Year Tax 2023 Form 8978 Partner's Additional Reporting Year Tax 2023 Form 8978 (Schedule A) Partner's Additional Reporting Year Tax (Schedule of Adjustments) 2019 Form 8978 (Schedule A) Partner's Additional Reporting Year Tax (Schedule of Adjustments) 2023