20 C.F.R. § 219.50 When evidence of “living with” is required.
Title 20 - Employees' Benefits
Evidence of “living with” (see part 222 of this chapter on Family Relationships) is required when— (a) The employee's spouse applies for a spouse's annuity as a deemed spouse; or (b) The employee's legal widow or widower applies for a lump-sum death payment, annuity payments due the employee but unpaid at death, or a residual lump-sum death payment on the basis of that relationship, or the employee's deemed widow or widower applies for a widow's or widower's annuity.
Title 20: Employees' Benefits
PART 219—EVIDENCE REQUIRED FOR PAYMENT
Subpart D—Other Evidence Requirements
§ 219.50 When evidence of “living with” is required.