US lawMassachusettsRegulations522 CMR — Board of Boiler Rules522 CMR 2.00 — Power boilers2.05522 CMR 2.05InstallationYear: 2026Length: 20 wordsOfficial source In accordance with the provisions of M.G.L. c. 146, § 2, the Board adopts the 2021 NBIC Part 1 Installation.Previous522 CMR 2.04Next522 CMR 2.06