20 C.F.R. § 404.1218 Resumption of coverage.
Title 20 - Employees' Benefits
Before April 20, 1983, an agreement could be terminated in its entirety or with respect to one or more coverage groups designated by the State. Coverage of any coverage group which has been previously terminated may be resumed by a modification to the agreement.
Title 20: Employees' Benefits
PART 404—FEDERAL OLD-AGE, SURVIVORS AND DISABILITY INSURANCE (1950– )
Subpart M—Coverage of Employees of State and Local Governments
How Coverage Under Agreements Is Obtained and Continues
§ 404.1218 Resumption of coverage.