(1) The department may contract with a community-based nonprofit organization to establish a three-step transitional treatment program for gang and drug-involved juvenile offenders committed to the custody of the department under this chapter. Any such program shall provide six to twenty-four months of treatment. The program shall emphasize the principles of self-determination, unity, collective work and responsibility, cooperative economics, and creativity. The program shall be culturally relevant and appropriate and shall include:
(a) A culturally relevant and appropriate institution-based program that provides comprehensive drug and alcohol services, individual and family counseling, and a wilderness experience of constructive group living, rigorous physical exercise, and academic studies;
(b) A culturally relevant and appropriate community-based structured group living program that focuses on individual goals, positive community involvement, coordinated drug and alcohol treatment, coordinated individual and family counseling, academic and vocational training, and employment in apprenticeship, internship, and entrepreneurial programs; and
(c) A culturally relevant and appropriate transitional group living program that provides support services, academic services, and coordinated individual and family counseling.
(2) Participation in any such program shall be on a voluntary basis.
(3) The department shall adopt rules as necessary to implement any such program.