20 C.F.R. § 404.380 General.
Title 20 - Employees' Benefits
Some older persons had little or no chance to become fully insured for regular social security benefits during their working years. For those who became 72 years old several years ago but are not fully insured, a special payment may be payable as described in the following sections.
Title 20: Employees' Benefits
PART 404—FEDERAL OLD-AGE, SURVIVORS AND DISABILITY INSURANCE (1950– )
Subpart D—Old-Age, Disability, Dependents' and Survivors' Insurance Benefits; Period of Disability
Special Payments at Age 72
§ 404.380 General.