20 C.F.R. § 229.46 Spouse or divorced spouse benefit.
Title 20 - Employees' Benefits
If a spouse or divorced spouse is included in the computation of the overall minimum, a benefit of 50 percent times the Overall Minimum PIA is computed. In the case of a spouse, the benefit may be adjusted for the family maximum, age, or other benefits. In the case of a divorced spouse, the benefit may be adjusted only for age or other benefits.
Title 20: Employees' Benefits
PART 229—SOCIAL SECURITY OVERALL MINIMUM GUARANTEE
Subpart F—Computation of the Overall Minimum Rate
§ 229.46 Spouse or divorced spouse benefit.