The ruling reverses an earlier lower court decision, but the case could be appealed to the Missouri Supreme Court.

In Robust Missouri Dispensary 3 v. St. Louis County, the court sided with plaintiff, concluding that only one local government is permitted under state law to impose an additional 3% sales tax on the retail sale of marijuana.

A panel of Missouri appellate judges ruled Tuesday that the constitution’s “plain, unambiguous” language means cities and counties cannot stack marijuana sales taxes. The Missouri Court of Appeals Eastern District’s decision reversed a lower court’s ruling in May that allowed both Florissant and St.

After an appellate court ruled St. Charles and St. Louis counties could not stack their own marijuana sales tax on top of municipal sales taxes, the top elected official in St. Charles County said they’ll take the fight to the state supreme court.