Section 5-501 - Dispensing of certain substances listed in Schedule II(a) Except as provided in subsection (b) of this section, a person may not dispense a controlled dangerous substance without a written prescription or an electronic prescription from an authorized provider if the substance is: (1) listed in Schedule II; and(2) a drug to which § 21-220 of the Health - General Article applies.(b) A controlled dangerous substance to which subsection (a) of this section applies may be dispensed without a written prescription or an electronic prescription by: (1) an authorized provider who: (i) is not a pharmacist; and(ii) dispenses the controlled dangerous substance directly to an ultimate user; or(2) a pharmacist if: (ii) the pharmacist dispenses the drug under regulations of the Department on an oral prescription that the pharmacist reduces promptly to writing and keeps on file; and(iii) federal law authorizes the oral prescription.(c) A prescription for a controlled dangerous substance listed in Schedule II shall be kept on file in conformity with the requirements for records and inventories under § 5-306 of this title.(d) A person may not refill a prescription for a controlled dangerous substance listed in Schedule II.Amended by 2020 Md. Laws, Ch. 230,Sec. 1, eff. 1/1/2022.Amended by 2020 Md. Laws, Ch. 229,Sec. 1, eff. 1/1/2022.