(a) Except when dispensed directly to an ultimate user by an authorized provider who is not a pharmacist, a controlled dangerous substance listed in Schedule III or Schedule IV that is a drug to which § 21-220 of the Health - General Article applies may not be dispensed without a written prescription, an electronic prescription, or an oral prescription.
(b) Unless renewed by the authorized provider, the prescription may not be:
(1) filled or refilled more than 6 months after the date of prescription; or
(2) refilled more than five times.