20 CFR § 404.1904
Effective date of a totalization agreement
February 18, 2021
Section 233 of the Social Security Act provides that a totalization agreement shall become effective on any date provided in the agreement if—
(a) The date occurs after the expiration of a period during which at least one House of Congress has been in session on each of 60 days following the date on which the agreement is transmitted to Congress by the President; and
(b) Neither House of Congress adopts a resolution of disapproval of the agreement within the 60-day period described in paragraph (a) of this section.
[49 FR 29775, July 24, 1984]