US lawMassachusettsRegulations105 CMR — Department of Public Health105 CMR 170.00 — Emergency medical services system170.010105 CMR 170.010ScopeYear: 2026Length: 23 wordsOfficial source 105 CMR 170.000 governs the EMS system, as defined in St. 2000, c. 54, § 1, M.G.L. c. 111C and 105 CMR 170.020.Previous105 CMR 170.003Next105 CMR 170.020