((a)) ** .—** Canteens operated by the Service shall be primarily for the use and benefit of—

((1)) veterans hospitalized or domiciled at the facilities at which canteen services are provided; and

((2)) other veterans who are enrolled under .

((b)) ** .—** Service at such canteens may also be furnished to—

((1)) personnel of the Department and recognized veterans’ organizations who are employed at a facility at which canteen services are provided and to other persons so employed;

((2)) the families of persons referred to in paragraph (1) who reside at the facility; and

((3)) relatives and other persons while visiting a person specified in this section.