(b) This section does not apply to:

(1) A controlled dangerous substance as defined in § 5-101 of the Criminal Law Article; or

(2) The first prescription or change in a prescription for a drug that an authorized prescriber prescribes for a patient.

(c) Except as provided in subsection (d) of this section, a pharmacist may dispense, in a single dispensing and exercising the professional judgment of the pharmacist, a quantity of a prescription drug that:

(1) Is up to the total number of dosage units authorized by the prescriber on the original prescription and any refills of the prescription;

(2) Except for a contraceptive dispensed on or after January 1, 2020, does not exceed a 90-day supply of the prescription drug; and

(3) For a contraceptive dispensed on or after January 1, 2020, does not exceed a 12-month supply of the prescription drug.

(d) A pharmacist may not dispense, in a single dose, a quantity of a prescription drug that exceeds the limit prescribed by a prescriber when the prescriber has indicated that the prescription be dispensed only as prescribed.