§ 5561. Definitions
For the purpose of this subchapter—
(2)
“employee” means an employee in or under an agency who is a citizen or national of the United States or an alien admitted to the United States for permanent residence, but does not include a part-time or intermittent employee or native labor casually hired on an hourly or daily basis. However, such an employee who enters a status listed in paragraph (5)(A)–(E) of this section—
(B)
who is a resident at or in the vicinity of his place of employment in a territory or possession of the United States or in a foreign country and who was not living there solely as a result of his employment;
is an employee for the purpose of this subchapter only on a determination by the head of the agency concerned that this status is the proximate result of employment by the agency;
(3)
“dependent” means—
(5)
“missing status” means the status of an employee who is in active service and is officially carried or determined to be absent in a status of—
but does not include the status of an employee for a period during which he is officially determined to be absent from his post of duty without authority; and