Home › CFR › Title 20 › Part 21020 CFR Part 210 — Creditable Railroad Service§ 210.1— General.§ 210.2— Definition of service.§ 210.3— Month of service.§ 210.4— Year of service.§ 210.5— Creditability of service.§ 210.6— Service credited for creditable military service.§ 210.7— Verification of service claimed.