A duly certified emergency medical technician may perform any function consistent with his certification, according to such rules and regulations as the board may prescribe.

Emergency Medical Technicians, trained to provide advanced life support and possessing current Department of Health and Environmental Control certification while on duty with a licensed service, are authorized to possess limited quantities of drugs, including controlled substances, as may be approved by the Department of Health and Environmental Control for administration to patients during the regular course of duties of such Emergency Medical Technicians, pursuant to the written or verbal order of a physician possessing a valid license to practice medicine within this State provided such physician is registered under the state and federal laws pertaining to controlled substances.