20 CFR § 218.5 - General rules.
---
identifier: "/us/cfr/t20/s218.5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "20 CFR § 218.5 - General rules."
title_number: 20
title_name: "Employees' Benefits"
section_number: "218.5"
section_name: "General rules."
chapter_name: "RAILROAD RETIREMENT BOARD"
subchapter_number: "B"
subchapter_name: "REGULATIONS UNDER THE RAILROAD RETIREMENT ACT"
part_number: "218"
part_name: "ANNUITY BEGINNING AND ENDING DATES"
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: "54 FR 30725, July 24, 1989, unless otherwise noted."
cfr_part: "218"
---
# 218.5 General rules.
(a) An annuity begins either on the earliest date permitted by law, or on a specific date chosen by the applicant. If the applicant chooses a specific date, that date must not be before the earliest date permitted by law.
(b) An annuity may not begin on the thirty-first day of a month, unless the claimant would lose benefits if the annuity begins on the first day of the following month. No annuity is payable for the thirty-first day of any month.