US lawMassachusettsRegulations105 CMR — Department of Public Health105 CMR 164.00 — Licensure of substance use disorder treatment programs164.500105 CMR 164.500Licensure Requirements for Providers Licensed by the Department of Mental HealthYear: 2026Length: 17 wordsOfficial source or the Bureau of Health Care Safety and Quality, or Operated by an Agency of the CommonwealthPrevious105 CMR 164.454Next105 CMR 164.505