Lawful possession, when - burden of proof of any exception or exemption ...
Mo. Rev. Stat. § 579.107
in effect579.107. Lawful possession, when — burden of proof of any exception or exemption upon defendant. — 1. A person may lawfully possess or have under his or her control a controlled substance if he or she obtained the controlled substance directly from, or pursuant to, a valid prescription or practitioner's order issued in the course of a practitioner's professional practice or except as otherwise authorized by this chapter or chapter 195 .
2. In any complaint, information, or indictment, and in any action or proceeding brought for the enforcement of any provision of this chapter or chapter 195 , it shall not be necessary to negative any exception, excuse, proviso, or exemption, contained in this chapter or chapter 195 , and the burden of proof of any such exception, excuse, proviso or exemption, shall be upon the defendant.
(RSMo 1939 § 9849, A.L. 1989 S.B. 215 & 58, A.L. 2014 S.B. 491) Transferred 2014; formerly 195.180; Effective 1-01-17
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://revisor.mo.gov/main/OneSection.aspx?section=579.107Fetched: 10/17/2026