5 U.S.C. § 3581: Definitions

For the purpose of this subchapter—(1) “agency” means—(A) an Executive agency; (B) a military department; and (C) an employing authority in the legislative branch; (2) “employee” means an employee in or under an agency; (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—(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.