[Code of Federal Regulations] [Title 20, Volume 1] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 20CFR222.40] [Page 438] TITLE 20--EMPLOYEES' BENEFITS CHAPTER II--RAILROAD RETIREMENT BOARD PART 222_FAMILY RELATIONSHIPS--Table of Contents Subpart E_Relationship as Parent, Grandchild, Brother or Sister Sec. 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.