If, based on generally accepted professional standards for the practice of pharmacy, a pharmacist has reason to believe, or should have reason to believe, that a prescription for a controlled dangerous substance was not issued for a legitimate medical purpose in the usual course of the prescriber's practice, the pharmacist may not dispense the controlled dangerous substance until the pharmacist: Consults with the prescriber; and Verifies the medical legitimacy of the prescription. If, after consulting with the prescriber, and based on generally accepted professional standards for the practice of pharmacy, a pharmacist has reason to believe that the prescription for a controlled dangerous substance was not issued for a legitimate medical purpose in the usual course of the prescriber's practice, the pharmacist shall: Refuse to dispense the drug; and Report the incident to the regulatory board that licenses the prescriber.