N.H. Rev. Stat. § 172:2-a
The commissioner shall provide for the scientific care, treatment, and rehabilitation of individuals with substance use disorders and their families, and work towards the prevention of, and assist in the control of, alcohol and drug misuse within the state through education, treatment, community organization, and research. The department shall establish, maintain, implement, and coordinate a system of substance use disorder treatment services under this chapter. This system shall be supervised by the commissioner. With the exception of a youth drug treatment center required to be operated by a non-governmental entity at the Sununu youth services center, at the discretion of the commissioner, the department may directly operate and administer any program or facility which provides, or which may be established to provide, services to persons with substance use disorders or may enter into a contract with any individual, partnership, association, public or private, for profit or nonprofit, agency or corporation for the operation and administration of any such program or facility.
RSA 172:2-a
1969, 501:2. 1979, 378:11, 30, eff. July 1, 1980. 2018, 364:3, eff. July 2, 2018.