Mo. Rev. Stat. § 190.185
The department shall adopt, amend, promulgate, and enforce such rules, regulations and standards with respect to the provisions of this chapter as may be designed to further the accomplishment of the purpose of this law in promoting state-of-the-art emergency medical services in the interest of public health, safety and welfare. When promulgating such rules and regulations, the department shall consider the recommendations of the state advisory council on emergency medical services. Any rule or portion of a rule promulgated pursuant to the authority of sections 190.001 to 190.245 or sections 190.525 to 190.537 shall become effective only if it complies with and is subject to all of the provisions of chapter 536 and, if applicable, section 536.028. This section and chapter 536 are nonseverable and if any of the powers vested with the general assembly pursuant to chapter 536 to review, to delay the effective date or to disapprove and annul a rule are subsequently held unconstitutional, then the grant of rulemaking authority and any rule proposed or adopted after August 28, 2002, shall be invalid and void.
§ 190.185, RSMo