620.01 CONTROLLED SUBSTANCE DEFINED.
   "Controlled substance" means a drug, substance or immediate precursor in Schedules 1 to 5 of Part 72 of Act 368 of the Public Acts of 1978, as amended, being M.C.L.A. 333.7212 through 333.7220. "Immediate precursor" is defined in M.C.L.A. 333.7106.