Tennessee Code Title 33. Mental Health and Substance Abuse and Intellectual and Developmental Disabilities § 33-10-106

(1) Enter into contractual agreements with institutions and individuals in furtherance of its function of prevention, treatment, training, research or education;

(2) Accept grants and gifts of funds, from whatever source derived, administer the grants and gifts according to the terms of the grants or gifts and enter cooperative programs with private and public instrumentalities, including the federal government, for the betterment of alcohol and drug prevention and treatment services in the state;

(3) Enter into contractual agreements with other states, or political subdivisions of other states, or corporations chartered in those other states, for the purpose of providing alcohol and drug services for those persons in need of prevention and treatment; and

(4) Enter into contractual agreements with counties, or agencies of counties, of the state for the inpatient treatment of alcohol and drug patients or residents.