(5)
“reemployment” means—
(A)
the reemployment of an employee under section
3582
(b) of this title; or
(B)
the reemployment of a Congressional employee within 90 days from his separation from an international organization;
following a term of employment not extending beyond the period named by the head of the agency at the time of consent to transfer or, in the absence of a named period, not extending beyond the first 5 consecutive years, or any extension thereof, after entering the employ of the international organization.