A dispensing permit is not required to:
A. Dispense prescription drugs or devices at a health facility or center described in Health Occupations Article, §12-102(g)(1)(3), Annotated Code of Maryland; or
B. Dispense to a patient, free of charge:
(1) A drug sample;
(2) A sample unit; or
(3) A starter dosage of a prescription drug, not to exceed a 72-hour supply.