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 - 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 Publication 334 (vie) Tax Guide For Small Business (For Individuals Who Use Schedule C or C-EZ) (Vietnamese Version) 2023 Publication 334 (vie) Tax Guide For Small Business (For Individuals Who Use Schedule C or C-EZ) (Vietnamese Version) 2022 Publication 334 (vie) Tax Guide For Small Business (For Individuals Who Use Schedule C or C-EZ) (Vietnamese Version) 2021