20 CFR § 227.1 - Introduction.

---
identifier: "/us/cfr/t20/s227.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "20 CFR § 227.1 - Introduction."
title_number: 20
title_name: "Employees' Benefits"
section_number: "227.1"
section_name: "Introduction."
chapter_name: "RAILROAD RETIREMENT BOARD"
subchapter_number: "B"
subchapter_name: "REGULATIONS UNDER THE RAILROAD RETIREMENT ACT"
part_number: "227"
part_name: "COMPUTING SUPPLEMENTAL ANNUITIES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "45 U.S.C. 231f(b)(5)."
regulatory_source: "50 FR 11502, Mar. 22, 1985, unless otherwise noted."
cfr_part: "227"
---


# 227.1 Introduction.

This part explains how to compute a supplemental annuity. A supplemental annuity is payable to an employee who meets the requirements in § 216.12 of this chapter.