US lawMassachusettsRegulations248 CMR — Board of State Examiners of Plumbers and Gas Fitters248 CMR 5.00 — Amendments to NFPA 545.01248 CMR 5.01Modifications to Chapter 1, AdministrationYear: 2026Length: 14 wordsOfficial source See 248 CMR 4.00: Massachusetts Fuel Gas Code for modifications to Chapter 1, Administration.Next248 CMR 5.02