http://www.legislature.mi.gov/(S(vyh...e=mcl-333-7403
333.7403 Knowingly or intentionally possessing controlled substance, controlled substance analogue, or prescription form; violations; penalties; discharge from lifetime probation.
Sec. 7403.
(1) A person shall not knowingly or intentionally possess a controlled substance, a controlled substance analogue, or a prescription form unless the controlled substance, controlled substance analogue, or prescription form was obtained directly from, or pursuant to, a valid prescription or order of a practitioner while acting in the course of the practitioner's professional practice, or except as otherwise authorized by this article.
(2) A person who violates this section as to:
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(d) Marihuana is guilty of a misdemeanor punishable by imprisonment for not more than 1 year or a fine of not more than
$2,000.00, or both.