(1) Using money appropriated for purposes of this section or available from any other governmental or private source, the office of behavioral health may purchase services for prevention or for treatment of alcohol and drug abuse or substance use disorders or both types of services on a contract basis from any tribal nation or any public or private agency, organization, or institution approved by the office of behavioral health. The services purchased may be any of those provided through a public program, as set forth in section 27-80-103 (2). In contracting for services, the office of behavioral health shall attempt to obtain services that are in addition to, and not a duplication of, existing available services or services that are of a pilot or demonstration nature. An agency operating a public program may also purchase services on a contract basis.

(2) (a) In addition to the services purchased pursuant to subsection (1) of this section, using money appropriated for purposes of this section or available from any other governmental or private source, the office of behavioral health may purchase services for the treatment of alcohol and drug abuse or substance use disorders on a contract basis from a designated managed service organization for a designated service area as set forth in section 27-80-107. A public or private agency, organization, or institution approved by the office of behavioral health through the process set forth in section 27-80-107 may be designated as a designated managed service organization.

(b) Designated managed service organizations receiving money pursuant to this subsection (2) shall comply with all relevant provisions of and rules promulgated pursuant to this article 80.