The latest versions of IRS forms, instructions, and publications. 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 - 1 of 1Find Help Find Show per page 2550100200 SearchClear Product Number Title Revision Date Posted Date Publication 1187 Specifications for Electronic Filing of Form 1042-S, Foreign Person's U.S. Source Income Subject to Withholding Dec 2023 02/01/2024
