HB 1331 -- Methamphetamine Precursor Drugs Sponsor: Roorda This bill changes the controlled substance classification of all methamphetamine precursor drugs from Schedule IV and Schedule V to Schedule III. The classification change will require a physician's prescription to obtain any of these drugs. The bill also repeals provisions regarding the logging and recording of the sales as well as the storing of these drugs behind the counter from public access.Copyright (c) Missouri House of Representatives