A person is not entitled to receive a pharmaceutical benefit unless it is supplied:
(a) by an approved pharmacist, at or from premises in respect of which the pharmacist is for the time being approved, on presentation of a prescription written by a PBS prescriber in accordance with this Act and the regulations, or, in such circumstances as are prescribed, on communication to that pharmacist, in the prescribed manner, of a prescription of a PBS prescriber; or
(b) in accordance with the provisions of section 89A, section 92, section 93, section 93AA, section 93AB, section 93A or section 94.