Section 5-504 - Substance listed in Schedule III or Schedule IV(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.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.