Find IRS forms, instructions, publications, and notices for prior years back to 1864. If a PDF file won't open, try downloading the file to your device and opening it using Adobe Acrobat. 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 - 3 of 3Find 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 4461-A Application for Approval of Master or Prototype or Volume Submitter Defined Benefit Plan 2019 Form 4461-A Application for Approval of Master or Prototype or Volume Submitter Defined Benefit Plan 2013 Instruction 4461-A Instructions for Form 4461-A, Application for Approval of Standardized or Nonstandardized Pre-Approved Defined Benefit Plan 2024