The purpose of this legislative text is to amend the Controlled Substances Act in order to reduce unnecessary costs associated with prosecuting methamphetamine-related offenses. The bill aims to streamline the legal process for these cases, particularly by addressing the way methamphetamine purity is handled in prosecutions. Key provisions of the bill include changes to the requirements for proving the purity of methamphetamine in court. Currently, the law requires that the purity of methamphetamine be established in prosecutions, which can be resource-intensive for crime laboratories.