20 C.F.R. § 404.1914 Certificate of coverage.
Title 20 - Employees' Benefits
Under some agreements, proof of coverage under one social security system may be required before the individual may be exempt from coverage under the other system. Requests for certificates of coverage under the U.S. system may be submitted by the employer, employee, or self-employed individual to SSA.
Title 20: Employees' Benefits
PART 404—FEDERAL OLD-AGE, SURVIVORS AND DISABILITY INSURANCE (1950– )
Subpart T—Totalization Agreements
Coverage Provisions
§ 404.1914 Certificate of coverage.