Mo. Rev. Stat. § 650.200
650.200 Citation of act — applicability.
650.200. Citation of act — applicability. — Sections 650.200 to 650.290 shall be known and may be cited as the "Boiler and Pressure Vessel Act", and, except as otherwise provided in sections 650.200 to 650.290 , shall apply to all fired and unfired steam boilers, hot water heating boilers, hot water supply boilers and pressure vessels.
(L. 1984 H.B. 1060 § 1)