Mo. Rev. Stat. § 337.503
Current with changes from the 2023 Legislative Session
No official, employee, board, commission, county, municipality, school district, agency of the state, or any other political subdivision thereof shall discriminate between persons licensed under sections 337.500 to 337.540 when promulgating regulations or when requiring or recommending services that legally may be performed by persons licensed under sections 337.500 to 337.540.
§ 337.503, RSMo