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
Find Help
Product Number Title Revision Date
Form CT-1 Employer's Annual Railroad Retirement Tax Return 2003
Form CT-1 Employer's Annual Railroad Retirement Tax Return 2002
Form CT-1 Employer's Annual Railroad Retirement Tax Return 2001
Form CT-1 Employer's Annual Railroad Retirement Tax Return 2000
Form CT-1 Employer's Annual Railroad Retirement Tax Return 1999
Form CT-1 Employer's Annual Railroad Retirement Tax Return 1998
Form CT-1 Employer's Annual Railroad Retirement Tax Return 1997
Form CT-1 Employer's Annual Railroad Retirement Tax Return 1996
Form CT-1 Employer's Annual Railroad Retirement Tax Return 1995
Form CT-1 Employer's Annual Railroad Retirement Tax Return 1994
Form CT-1 Employer's Annual Railroad Retirement Tax Return 1993
Form CT-1 Employer's Annual Railroad Retirement Tax Return 1992
Form CT-1 Employer's Annual Railroad Retirement Tax Return 1991
Form CT-1 Employer's Annual Railroad Retirement Tax Return 1990
Instruction CT-1 Instructions for Form CT-1, Employer's Annual Railroad Retirement Tax Return 2023
Instruction CT-1 Instructions for Form CT-1, Employer's Annual Railroad Retirement Tax Return 2022
Instruction CT-1 Instructions for Form CT-1, Employer's Annual Railroad Retirement Tax Return 2021
Instruction CT-1 Instructions for Form CT-1, Employer's Annual Railroad Retirement Tax Return 2020
Instruction CT-1 Instructions for Form CT-1, Employer's Annual Railroad Retirement Tax Return 2019
Instruction CT-1 Instructions for Form CT-1, Employer's Annual Railroad Retirement Tax Return 2018
Instruction CT-1 Instructions for Form CT-1, Employer's Annual Railroad Retirement Tax Return 2017
Instruction CT-1 Instructions for Form CT-1, Employer's Annual Railroad Retirement Tax Return 2016
Instruction CT-1 Instructions for Form CT-1, Employer's Annual Railroad Retirement Tax Return 2015
Instruction CT-1 Instructions for Form CT-1, Employer's Annual Railroad Retirement Tax Return 2014
Instruction CT-1 Instructions for Form CT-1, Employer's Annual Railroad Retirement Tax Return 2013
Get Adobe Acrobat Reader