20 CFR § 222.40 - When determinations of relationship are made for parent, grandchild, brother or sister.

---
identifier: "/us/cfr/t20/s222.40"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "20 CFR § 222.40 - When determinations of relationship are made for parent, grandchild, brother or sister."
title_number: 20
title_name: "Employees' Benefits"
section_number: "222.40"
section_name: "When determinations of relationship are made for parent, grandchild, brother or sister."
chapter_name: "RAILROAD RETIREMENT BOARD"
subchapter_number: "B"
subchapter_name: "REGULATIONS UNDER THE RAILROAD RETIREMENT ACT"
part_number: "222"
part_name: "FAMILY RELATIONSHIPS"
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."
regulatory_source: "54 FR 42949, Oct. 19, 1989, unless otherwise noted."
cfr_part: "222"
---


# 222.40 When determinations of relationship are made for parent, grandchild, brother or sister.

(a) *Parent.* The claimant's relationship as a parent of the employee is determined when the claimant applies for an annuity or for lump-sum payments.

(b) *Grandchild.* The claimant's relationship as a grandchild, rather than as a child, of the employee is determined when the claimant applies for lump-sum payments.

(c) *Brother or sister.* The claimant's relationship as a brother or sister of the employee is determined when the claimant applies for lump-sum payments.