In this subchapter:

((1)) ** .—** The term “field employee” means—

((A)) an employee of the Service who is exclusively assigned by the Service to perform duties at a field unit, and the members of the employee’s family; and

((B)) any other individual who is authorized to occupy Federal Government quarters under , and for whom there is no feasible alternative to the provision of Federal Government housing, and the members of the individual’s family.

((2)) ** .—** The term “primary resource values” means resources that are specifically mentioned in the enabling legislation for that field unit or other resource value recognized under Federal statute.

((3)) ** .—** The term “quarters” means quarters owned or leased by the Federal Government.

((4)) ** .—** The term “seasonal quarters” means quarters typically occupied by field employees who are hired on assignments of 6 months or less.