Mo. Rev. Stat. § 196.165
Any hotel, inn, delicatessen, grocery or butcher shop, or restaurant keeper, or any individual, firm or corporation, carrying on and conducting a boardinghouse, eating house, lunchroom business, or engaged in the catering business (all hereinafter referred to as "person"), who shall with intent to defraud, sell, prepare or expose for sale, any meat or meat preparation, articles of food or food products, either raw or prepared for human consumption, whether the same is to be consumed on the premises where prepared and sold, or whether same is taken or carried elsewhere for consumption, falsely represents such food or food preparation to be kosher, that is, that same is prepared under and of products sanctioned by the orthodox Hebrew religious rules and requirements; or who shall falsely represent that such meat or meat preparation, food or food product is, or will be prepared and served in accordance with such orthodox Hebrew religious rules and requirements, by displaying a sign or signs, in, on, or about said person's place of business or establishment, or by advertisement in any newspaper, magazine, or periodical, or by publication in any other manner whatsoever, the intent and purpose whereof shall be to represent to the public by such advertisement, or any other manner whatsoever, that kosher meat or meat preparations, or food or food products are prepared and sold in such place of business or establishment, or served therein, or prepared or sold to be taken for consumption elsewhere than on said premises; or who prepares, sells, serves, or prepares for sale, either to be consumed on the premises, or elsewhere, both kosher and nonkosher meat or meat preparations, or food or food products in the same place of business, who fails to keep separate kitchens and dining rooms, wherein meat or meat preparations, or food or food products are prepared and served; or who fails to keep and use separate and distinctly labeled or marked dishes and utensils wherein such meat or meat preparation of food or food product is prepared and served; or who shall fail to indicate on all signs and display advertising, in, on, or about said person's premises, in block letters, at least four inches in height, "kosher and nonkosher food prepared and sold here", as the case may be, or persons dealing in kosher meat or meat preparations, kosher food or food products only and persons dealing in both kosher and nonkosher meat or meat preparations, kosher and nonkosher food or food products who fail* to adhere to and abide by orthodox Hebrew religious rules and requirements, shall be guilty of a misdemeanor, punishable by a fine of not less than twenty-five dollars, nor more than five hundred dollars, or by imprisonment of not less than thirty days nor more than one year, or both. Possession of nonkosher meat or meat preparation, or food or food product in any place of business advertising the sale of kosher meat and food only, is prima facie evidence that the person in possession exposes the same for sale with intent to defraud in violation of the provisions of this section.
§ 196.165, RSMo