(a) No person other than a person described in § 20-64-309(7) shall obtain or attempt to obtain a depressant or stimulant drug by:
(1) Fraud, deceit, misrepresentation, or subterfuge;
(2) Falsely assuming the title of or representing himself or herself to be a manufacturer, wholesaler, practitioner, pharmacist, owner of a pharmacy, or other person authorized to possess stimulant or depressant drugs;
(3) The use of a forged or altered prescription; or
(4) The use of a false name or false address on a prescription.
(b) However, this section shall not apply to drug manufacturers, their agents, or employees when the manufacturers, their agents, or employees are authorized to engage in and are actually engaged in investigative activities directed toward the safeguarding of the drug manufacturer's trademark.