For purposes of this Article:
(1) "Assigned employee" means an employee of a sending agency who is assigned or detailed to a receiving agency as part of the employee's regular duties with the sending agency.
(2) "Employee on leave" means an employee on leave of absence without pay from a sending agency who becomes an employee of a receiving agency while on leave from the sending agency.
(3) "Receiving agency" means any division, department, agency, instrumentality, authority, or political subdivision of the federal government or of a state or local government which, under this Article, receives an employee of another governmental division, department, agency, instrumentality, authority, or political subdivision of the federal government or of a state or local government.
(4) "Sending agency" means any division, department, agency, instrumentality, authority, or political subdivision of the federal government or of a state or local government which, under this Article, sends any employee thereof to another governmental division, department, agency, instrumentality, authority, or political subdivision of the federal government or of a state or local government. (1977, c. 783, s. 1.)