C.R.S. § 18-1.3-211

(1) Each person sentenced by the court for a felony committed on or after July 1, 1992, is required, as a part of any sentence to probation, community corrections, or incarceration with the department of corrections, to undergo periodic testing and treatment for substance abuse that is appropriate to the felon based upon the recommendations of the assessment made pursuant to section 18-1.3-209 , or based upon any subsequent recommendations by the department of corrections, the judicial department, or the division of criminal justice in the department of public safety, whichever is appropriate. Any testing or treatment must be at a facility or with a person approved by the behavioral health administration in the department of human services and at the felon’s own expense, unless the felon is indigent. (2) Each person placed on parole by the state board of parole on or after July 1, 1992, is required, as a condition of parole, to undergo periodic testing and treatment for substance abuse that is appropriate to the parolee based upon the recommendations of the assessment made pursuant to section 18-1.3-209 or any assessment or subsequent reassessment made regarding the parolee during the parolee’s incarceration or any period of parole. Any testing or treatment must be at a facility or with a person approved by the behavioral health administration in the department of human services and at the parolee’s own expense, unless the parolee is indigent.