Missouri Revised Statutes Title XXI. Public Safety and Morals § 320.146. Display and storage of fireworks, restrictions on

1. It shall be unlawful to expose fireworks to direct sunlight through glass to the merchandise displayed, except where the fireworks are in the original package. All fireworks which the public may examine shall be kept for sale in original packages, except where an attendant is on duty at all times where fireworks are offered for sale. Fireworks shall be kept in showcases out of the reach of the public when an attendant is not on duty. One or more signs reading, “FIREWORKS-NO SMOKING” shall be displayed at all places where fireworks are stored or sold in letters not less than four inches in height.

2. Fireworks shall not be manufactured, stored, kept or sold within fifty feet of any motor vehicle fuel dispensing station dispenser, retail propane dispensing station dispenser, compressed natural gas dispensing station dispenser, gasoline or propane bulk station, or any building in which gasoline or volatile liquids are sold in quantities in excess of one gallon. The provisions of this subsection shall not apply to stores where cleaners, paints, and oils are sold in the original containers to consumers.

3. It shall be unlawful to permit the presence of lighted cigars, cigarettes, pipes, or any other open flame within twenty-five feet of where fireworks are manufactured, stored, kept, or offered for sale.