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.

  1. Enter a term in the Find box
  2. Click the Search button
Buscar ayuda
Número de producto Título Fecha de revisión
Form SS-4 Application for Employer Identification Number 2001
Form SS-4 Application for Employer Identification Number 2000
Form SS-4 Application for Employer Identification Number 1998
Form SS-4 Application for Employer Identification Number 1995
Form SS-4 Application for Employer Identification Number 1993
Form SS-4 Application for Employer Identification Number 1991
Form SS-4 Application for Employer Identification Number 1989
Form SS-4 Application for Employer Identification Number 1988
Form SS-4 Application for Employer Identification Number 1985
Form SS-4 Application for Employer Identification Number 1979
Form SS-4 Application for Employer Identification Number 1976
Instruction SS-4 Instructions for Form SS-4, Application for Employer Identification Number (EIN) 2023
Instruction SS-4 Instructions for Form SS-4, Application for Employer Identification Number (EIN) 2019
Instruction SS-4 Instructions for Form SS-4, Application for Employer Identification Number 2017
Instruction SS-4 Instructions for Form SS-4, Application for Employer Identification Number 2016
Instruction SS-4 Instructions for Form SS-4, Application for Employer Identification Number 2011
Instruction SS-4 Instructions for Form SS-4, Application for Employer Identification Number 2010
Instruction SS-4 Instructions for Form SS-4, Application for Employer Identification Number 2009
Instruction SS-4 Instructions for Form SS-4, Application for Employer Identification Number 2007
Instruction SS-4 Instructions for Form SS-4, Application for Employer Identification Number 2006
Instruction SS-4 Instructions for Form SS-4, Application for Employer Identification Number 2003
Instruction SS-4 Instructions for Form SS-4, Application for Employer Identification Number 2001
Instruction SS-4 Instructions for Form SS-4, Application for Employer Identification Number 1985
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

Get Adobe Acrobat Reader