CFR > Title 20 - Employees' Benefits > CHAPTER II—RAILROAD RETIREMENT BOARD > SUBCHAPTER B—REGULATIONS UNDER THE RAILROAD RETIREMENT ACT (parts 201 to 295) > PART 222—FAMILY RELATIONSHIPS > SUBPART E—Relationship as Parent, Grandchild, Brother or Sister (§222.40 to §222.44) > 222.40—When determinations of relationship are made for parent, grandchild, brother or sister.

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.