§ 3581. Definitions
For the purpose of this subchapter—
(3)
“international organization” means a public international organization or international-organization preparatory commission in which the Government of the United States participates;
(4)
“transfer” means the change of position by an employee from an agency to an international organization; and
(5)
“reemployment” means—
(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.