105 CMR, § 164.003
105 CMR 164.000 governs the licensure or approval and operation of every substance use disorder treatment program subject to licensure or approval by the Department which includes separate, identifiable substance use disorder treatment programs within facilities licensed pursuant to M.G.L. c. 111, § 51 or M.G.L, c. 19, § 19. A department, agency or institution of the federal government, the Commonwealth or any political subdivision thereof is exempt from licensure except that a department, agency or institution of the Commonwealth or subdivision thereof is subject to approval by the Department. No person, corporation, trust, authority, governmental agency, political subdivision or any other entity subject to 105 CMR 164.000 shall operate a substance use disorder treatment program that does not comply with the requirements of 105 CMR 164.000. The Department may from time to time publish interpretations of 105 CMR 164.000 and guidelines as necessary to promote uniform application of 105 CMR 164.000, and make them available to those licensed and approved by the Department and to the public.
105 CMR, § 164.003