It shall be unlawful for any person to possess, sell, offer for sale, distribute, administer, dispense, prescribe or give away any controlled substance as defined in M.C.L.A. § 333.7104, the Michigan Public Health Code (Public Act 368 of 1978, Art. 7, being, M.C.L.A. §§ 333.1101 et seq.), as amended, provided that nothing contained in this section shall be deemed to prohibit the possession, sale, offer for sale, distributing, administering, dispensing or prescribing of any controlled substance in a manner or under such circumstances as are permitted in said Public Health Code.
(O.C. § 9.31)