US lawMassachusettsRegulations248 CMR — Board of State Examiners of Plumbers and Gas Fitters248 CMR 4.00 — Massachusetts fuel gas code4.01248 CMR 4.01PurposeYear: 2026Length: 29 wordsOfficial source 248 CMR 4.00 through 8.00, collectively the Massachusetts Fuel Gas Code, governs the installation of fuel gas piping systems, fuel gas utilization equipment, and related accessories throughout the Commonwealth.Next248 CMR 4.02