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 726 - 730 of 730Find 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 W-9 Instructions for the Requestor of Form W-9, Request for Taxpayer Identification Number and Certification 2013 Form W-9 (SP) Solicitud y Certificacion del Numero de Identificacion del Contribuyente 2013 Instruction W-9 (SP) Instrucciones para el Solicitante del Formulario W-9(SP), Solicitud y Certificacion del Numero de Identificacion del Contribuyente 2013 Form W-12 IRS Paid Preparer Tax Identification Number (PTIN) Application and Renewal 2013 Instruction W-12 Instructions for Form W-12, IRS Paid Preparer Tax Identification Number (PTIN) Application and Renewal 2013 Pagination First page « First Previous page Previous … Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Current page 30