Wyo. Stat. § 35-7-1039: Person using or under influence of controlled substance.

Except as provided in W.S. 35-7-1064, any person who knowingly or intentionally uses or is under the influence of a controlled substance listed in Schedules I, II or III except when administered or prescribed by or under the direction of a licensed practitioner, shall be guilty of a misdemeanor and shall be punished by imprisonment in the county jail not to exceed six (6) months or a fine not to exceed seven hundred fifty dollars ($750.00), or by both.