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 - 2 of 2Find Help Find Show per page 2550100200 SearchClear Product Number Title Revision Date Posted Date Publication 4524 Taxes. Security. Together. Security Awareness For Taxpayers Jan 2021 03/05/2021 Publication 4524 (SP) Taxes. Security. Together. Security Awareness for Taxpayers (Spanish version) Jan 2021 03/05/2021