(iii) Any physician assistant to whom the authority to prescribe controlled drugs has been delegated by the supervising physician may only prescribe or issue a Schedule II or III opioid listed on the formulary for a maximum of a nonrefillable, thirty-day course of treatment, unless specifically approved after consultation with the supervising physician before the initial issuance of the prescription or dispensing of the medication. This subdivision (2)(B)(iii) shall not apply to prescriptions issued in a hospital, a nursing home licensed under title 68, or inpatient facilities licensed under title 33; see full law