enroll in an approved health benefits plan described by section
8903 or
8903a of this title as an individual or for self and family as provided in paragraph (2) of this subsection, subject to agreement to pay the full subscription charge of the enrollment, including the amounts determined by the Office to be necessary for administration and reserves pursuant to section
8909
(b) of this title. The former spouse shall submit an enrollment application and make premium payments to the agency which, at the time of divorce or annulment, employed the employee to whom the former spouse was married or, in the case of a former spouse who is receiving annuity payments under section
8341
(h),
8345
(j),
8445, or
8467 of this title, to the Office of Personnel Management.