C.R.S. § 8-44-101

(II) Any public entity in the state that is participating in the federal prison industry enhancement certification program pursuant to the federal “Justice System Improvement Act of 1979”, 18 U.S.C. sec. 1761 (c), shall insure and keep insured the payment of compensation by electing one of the methods provided in subsection (1) of this section; except that the method for insuring the participants of such program need not be the same method selected by the public entity pursuant to subparagraph (I) of this paragraph (a).