§ 131.02 DISPENSING BY AUTHORIZED PERSONS.
   A manufacturer, wholesaler, apothecary, medical doctor, osteopathic physician, dentist, veterinarian, chiropodist, public or private hospital, sanitarium or institution maintained or conducted in whole or in part for the treatment of disability, disease, inebriety or drug addiction may purchase, receive, possess, sell, distribute, prescribe, administer or dispense a controlled substance, provided he, she or they shall have complied with all provisions as required by the United States Internal Revenue Code, as the same now exists or may be hereafter amended, and the said Michigan Public Health Code. No medical doctor, osteopathic physician or other person specified in this section in any manner authorized to prescribe a controlled substance shall prescribe such substances for his or her own use, nor shall any druggist honor such a prescription. All controlled substances obtained pursuant to this section shall be kept in the original package or container in which they were received; provided, that this requirement should not be construed to apply to any duly licensed medical doctor, osteopathic physician, dentist, veterinarian or chiropodist or to any authorized person or persons acting directly under their supervision or control.
(O.C. § 9.32)