20 U.S. Code § 3478 - Facilities at remote locations
(a) Authorized services, supplies and facilities
The Secretary is authorized to provide, construct, or maintain for employees and their dependents stationed at remote locations as necessary and when not otherwise available at such remote locations—
(5) reimbursement for food, clothing, medicine, and other supplies furnished by such employees in emergencies for the temporary relief of distressed persons;
The furnishing of medical treatment under paragraph (1) of subsection (a) of this section and the furnishing of services and supplies under paragraphs (2), (3), and (4) of subsection (a) of this section shall be at prices reflecting reasonable value as determined by the Secretary.