US lawMassachusettsRegulations105 CMR — Department of Public Health105 CMR 164.00 — Licensure of substance use disorder treatment programs164.209105 CMR 164.209Hours of OperationYear: 2026Length: 29 wordsOfficial source The program shall be open to provide admission to outpatient services as well as to provide treatment seven days per week and four hours per day, at a minimum.Previous105 CMR 164.208Next105 CMR 164.211