(a) Persons not entitled to treatment by the Service may be provided temporary care and treatment at medical care facilities of the Service in case of emergency as an act of humanity.
(b) Persons referred to in paragraph (a) of this section who, as determined by the officer in charge of the Service facility, are able to defray the cost of their care and treatment shall be charged for such care and treatment at the following rates (which shall be deemed to constitute the entire charge in each instance): In the case of hospitalization, at the current interdepartmental reciprocal per diem rate; and, in the case of outpatient treatment, at rates established by the Secretary.