Mo. Rev. Stat. § 196.872
The department of health and senior services shall promulgate rules, pursuant to the provisions of this section and chapter 536, setting forth the minimum sanitation requirements of manufacturing ice cream or other related frozen food products. No person, firm, association or corporation shall manufacture ice cream or other related frozen food products defined in sections 196.851 to 196.895 in any room or other place that is not maintained in compliance with these rules as determined by the director of the department of health and senior services or his agents. No rule or portion of a rule promulgated under the authority of sections 196.851 to 196.895 shall become effective unless it has been promulgated pursuant to the provisions of section 536.024.
§ 196.872, RSMo