Internal Revenue Code · 26 U.S.C.
Chapter 22. RAILROAD RETIREMENT TAX ACT
Official text, no changes From the Office of the Law Revision Counsel, release point 119-121 (current through Public Law 119-121 (October 9, 2026)). The official version is at uscode.house.gov (external site).
Subchapter A Tax on Employees §§ 3201–3202
Subchapter B Tax on Employee Representatives §§ 3211–3212
Subchapter C Tax on Employers § 3221
Subchapter D General Provisions §§ 3231–3233
Subchapter E Tier 2 Tax Rate Determination § 3241