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 正在显示 1 - 8 of 8寻求帮助 发现 Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title 显示每一页 2550100200 搜索清除 产品编号 标题 修订版日期 Form SS-4 (PR) Application for Employer Identification Number (EIN) (Puerto Rico Version) 2020 Form SS-4 (PR) Solicitud de Numero de Identificacion Patronal (EIN) 2017 Form SS-4 (PR) Solicitud de Numero de Identificacion Patronal (EIN) 2010 Instruction SS-4 (PR) Instructions for Form SS-4 (PR), Application for Employer Identification Number (Puerto Rico Version) 2020 Instruction SS-4 (PR) Instructions for Form SS-4, Application for Employer Identification Number (EIN) (Puerto Rico Version) 2017 Instruction SS-4 (PR) Instructions for Form SS-4, Application for Employer Identification Number (EIN) (Puerto Rico Version) 2016 Instruction SS-4 (PR) Instrucciones para la Forma SS-4PR, Solicitud de Numero de Identificacion Patronal (EIN) 2011 Instruction SS-4 (sp) Instructions for Form SS-4 (PR), Application for Employer Identification Number (Spanish Version) 2023