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
Tìm Trợ Giúp
Số Sản Phẩm Tiêu đề Ngày Sửa Đổi
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
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
Form SS-8 Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding 2023
Form SS-8 Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding 2014
Form SS-8 Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding 2011
Form SS-8 Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding 2009
Form SS-8 Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding 2006
Form SS-8 Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding 2003
Form SS-8 Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding 2001
Form SS-8 Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding 1997
Form SS-8 Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding 1996
Form SS-8 Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding 1993
Form SS-8 Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding 1990
Form SS-8 Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding 1988
Form SS-8 Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding 1987