20 C.F.R. § 222.11 Determination of marriage relationship.
Title 20 - Employees' Benefits
A claimant will be considered to be the husband, wife, or widow(er) of an employee if the law of the State in which the employee has or had a permanent home would recognize that the claimant and employee were validly married, or if a deemed marriage is established. (a) Generally, State courts will find that a claimant and employee were validly married if— (1) The employee and claimant were married in a civil or religious ceremony (see §222.12) or (2) The employee and claimant live together in a common-law marriage relationship which is recognized under applicable State law (see §222.13), and no impediment to the marriage existed at the time it took place. (b) A deemed marriage relationship may be established as described in §222.14.
Title 20: Employees' Benefits
PART 222—FAMILY RELATIONSHIPS
Subpart B—Relationship as Wife, Husband, or Widow(er)
§ 222.11 Determination of marriage relationship.
