Missouri Revised Statutes § 260.295

*260.295. Refrigerants, use of — building codes not to prohibit if approved for use under federal law. — No building code adopted by a political subdivision shall prohibit the use of refrigerants that are approved for use under the provisions of 42 U.S.C. Section 7671k or the regulations promulgated thereunder, provided any related equipment is installed in accordance with the provisions of 42 U.S.C. Section 7671k or the regulations promulgated thereunder. Any provision of a building code that violates this section shall be null and void. (L. 2022 H.B. 1606 merged with H.B. 1662) *Revisor's Note: This section was amended identically by both H.B. 1606 and H.B. 1662, 2022. In 2023, H.B. 1606 was declared unconstitutional (see annotation below). The H.B. 1662 language remains in effect. (2023) The inclusion of Section 67.2300 in H.B. 1606 from 2022 declared unconstitutional as violating the single subject rule of Article III, § 23 of the Missouri Constitution. The remaining provisions of H.B. 1606 could not be severed and the bill is declared invalid in its entirety. Byrd, et al. v. State of Missouri, et al., 679 S.W.3d 492 (Mo.banc).