Railroad Retirement Tax Act (Form CT-1 and CT-1X)

OMB 1545-0001

Railroad employers are required to file an annual return to report employer and employee Railroad Retirement Tax Act (RRTA). Form CT-1 is used for this purpose. IRS uses the information to insure that the employer has paid the correct tax.

The latest form for Railroad Retirement Tax Act (Form CT-1 and CT-1X) expires 2021-04-30 and can be found here.

Latest Forms, Documents, and Supporting Material

Document Name
Form CT-1X Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund Form
Form CT-1 Employer's Annual Railroad Retirement Tax Return Form
1545-0001 Supporting Statement.docx Supporting Statement A
Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund Form
Employer's Annual Railroad Retirement Tax Return Form

All Historical Document Collections

202202-1545-014 Approved without change	Extension without change of a currently approved collection	2022-07-29
202112-1545-012 Approved without change	Revision of a currently approved collection	2022-01-06
202102-1545-004 Approved without change	Revision of a currently approved collection	2021-04-29
201710-1545-020 Approved without change	Extension without change of a currently approved collection	2018-03-21
201411-1545-017 Approved without change	Extension without change of a currently approved collection	2014-12-31
201107-1545-017 Approved without change	Revision of a currently approved collection	2011-10-26
200812-1545-008 Approved without change	No material or nonsubstantive change to a currently approved collection	2008-12-23
200804-1545-009 Approved without change	Extension without change of a currently approved collection	2008-08-28
200506-1545-049 Approved without change	Extension without change of a currently approved collection	2005-06-24
200411-1545-021 Approved without change	No material or nonsubstantive change to a currently approved collection	2004-11-09
200307-1545-050 Approved without change	No material or nonsubstantive change to a currently approved collection	2003-07-31
200206-1545-028 Approved without change	Revision of a currently approved collection	2002-06-27
200110-1545-016 Approved without change	No material or nonsubstantive change to a currently approved collection	2001-10-03
199906-1545-008 Approved without change	Extension without change of a currently approved collection	1999-06-11
199710-1545-027 Approved without change	No material or nonsubstantive change to a currently approved collection	1997-10-10
199607-1545-020 Approved without change	Extension without change of a currently approved collection	1996-07-19
199603-1545-013 Approved without change	No material or nonsubstantive change to a currently approved collection	1996-03-27
199407-1545-023 Approved with change	No material or nonsubstantive change to a currently approved collection	1994-07-01
199312-1545-019 Approved with change	No material or nonsubstantive change to a currently approved collection	1993-12-01
199308-1545-015 Approved without change	Revision of a currently approved collection	1993-08-23
199109-1545-022 Approved with change	No material or nonsubstantive change to a currently approved collection	1991-09-11
199106-1545-011 Approved without change	Revision of a currently approved collection	1991-06-11
198908-1545-041 Approved with change	No material or nonsubstantive change to a currently approved collection	1989-08-21
198806-1545-010 Approved without change	Extension without change of a currently approved collection	1988-06-20
198709-1545-029 Approved with change	No material or nonsubstantive change to a currently approved collection	1987-09-21
198605-1545-016 Approved with change	No material or nonsubstantive change to a currently approved collection	1986-05-28
198509-1545-025 Approved with change	No material or nonsubstantive change to a currently approved collection	1985-09-16
198507-1545-018 Approved without change	Revision of a currently approved collection	1985-07-31
198407-1545-014 Approved without change	Revision of a currently approved collection	1984-07-16
198310-1545-022 Approved without change	Revision of a currently approved collection	1983-10-31
198308-1545-005 Approved without change	Revision of a currently approved collection	1983-08-10
198208-1545-014 Approved without change	Revision of a currently approved collection	1982-08-31
198109-1545-139 Approved without change	Revision of a currently approved collection	1981-09-12
198108-1545-038 Approved without change	Extension without change of a currently approved collection	1981-08-10
198104-1545-001 Approved without change	Revision of a currently approved collection	1981-04-01

OMB Details

Employer's Annual Railroad Retirement Tax Return

Federal Enterprise Architecture: General Government - Taxation Management

Form Form CT-1

Employer's Annual Railroad Retirement Tax Return

Fillable Printable

Form

Review document collections for all forms, instructions, and supporting documents - including paper/printable forms.