Maryland Statutes
Subtitle 5 - Practice of Pharmacy and Operation of Pharmacies
Section 12-503 - Dating of Prescription by Authorized Prescriber; Time Limit for Filling Prescription

(a)    An authorized prescriber who issues a prescription shall indicate on the prescription the date of its issuance.
    (b)    Unless otherwise instructed by the authorized prescriber who issues the prescription, a pharmacist may not dispense any drug or device on a prescription presented more than 120 days after the date the prescription was issued.