Section 33-13-520 - Use, possession, distribution, etc. of controlled substance; controlled substance defined(1) Any person subject to this code who uses, while on duty, any controlled substance listed in the Uniform Controlled Substances Law, not legally prescribed, or is found, by a chemical analysis of such person's blood or urine, to have in his blood, while on duty, any controlled substance described in subsection (3), not legally prescribed, shall be punished as a court-martial may direct.(2) Any person subject to this code who wrongfully uses, possesses, manufactures, distributes, imports into the customs territory of the United States, exports from the United States, or introduces into an installation, vessel, vehicle or aircraft used by or under the control of the state military forces a substance described in subsection (3) shall be punished as a court-martial may direct.(3) The substances referred to in subsections (1) and (2) are the following:(a) Opium, heroin, cocaine, amphetamine, lysergic acid diethylamide, methamphetamine, phencyclidine, barbituric acid, and marijuana and any compound or derivative of any such substance. For the purposes of this paragraph (a), "marijuana" shall not include medical cannabis that is lawful under the Mississippi Medical Cannabis Act and in compliance with rules and regulations adopted thereunder.(b) Any substance not specified in paragraph (a) that is listed on a schedule of controlled substance prescribed by the President for the purposes of the federal Uniform Code of Military Justice.©) Any other substance not specified in paragraph (a) or contained on a list prescribed by the President under paragraph (b) that is listed in Schedules I through V of Section 202 of the federal Controlled Substances Act (21 USCS 812).Laws, 1989, ch. 473, § 10, eff. 7/1/1989.Amended by Laws, 2022, ch. 303, SB 2095,§ 52, eff. 2/2/2022.