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
Instruction CT-1X Instructions for Form CT-1X, Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund 2021
Instruction CT-1X Instructions for Form CT-1X, Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund 2018
Instruction CT-1X Instructions for Form CT-1X, Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund 2015
Instruction CT-1X Instructions for Form CT-1X, Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund 2014
Instruction CT-1X Instructions for Form CT-1X, Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund 2013
Instruction CT-1X Instructions for Form CT-1X, Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund 2012
Instruction CT-1X Instructions for Form CT-1X, Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund 2011
Instruction CT-1X Instructions for Form CT-1X, Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund 2010
Instruction CT-1X Instructions for Form CT-1X, Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund 2009
Form FinCEN101A Instructions for FinCEN Form 101, Suspicious Activity Report - Securities and Futures Industry 2004
Form FinCEN102A Instructions For FinCEN Form 102, Suspicious Activity Report - Casinos and Card Clubs 2003
Form FinCEN109A Instructions for FinCEN Form 109 2008
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
Instruction SS-4 (PR) Instructions for Form SS-4 (PR), Application for Employer Identification Number (Puerto Rico Version) 2020