PURPOSE: This rule specifies the applicability, severability, and construction of the rules contained in this chapter.

1. (1) This chapter applies to the maximum extent permitted by the United States Constitution, the laws of the United States, the Constitution of Missouri, and the laws of Missouri, but no further.
2. (2) This chapter does not subject any individual or commercial entity to damages or other legal remedies to the extent the individual or commercial entity is protected from those remedies under federal law.
3. (3) It is not a violation of this chapter if the actions or conduct are taken at the behest of federal agencies, contractors, or employees that are carrying out official duties under federal law if doing so would violate the doctrines of preemption or intergovernmental immunity.
4. (4) If any application of any provision, word, or clause to any person, commercial entity, or circumstance is found by a court to be invalid, that application alone shall be severed and the remaining possible applications of every provision, word, and clause to all other persons, commercial entities, and circumstances shall remain in force.

AUTHORITY: section 407.020, RSMo Supp. 2025, and section 407.145, RSMo 2016.* Original rule filed April 10, 2025, effective Nov. 30, 2025. *Original authority: 407.020, RSMo 1967, amended 1973, 1985, 1986, 1992, 1994, 1995, 2000, 2008, 2014, 2020, and 407.145, RSMo 1986, amended 1993.