C.R.S. § 25-10-109

(1) The local board of health may adopt rules that provide for the licensing of systems contractors. The local public health agency may charge a fee, not to exceed actual costs, for the initial license of a systems contractor and for a renewal of the license. Initial licensing and renewals thereof shall be for a period of not less than one year. The local board of health may revoke the license of a systems contractor for violation of this article or the rules adopted under this article or for other good cause shown, after a hearing conducted upon reasonable notice to the systems contractor and at which the systems contractor may be present, with counsel, and be heard. (2) The local board of health may adopt rules that provide for the licensing of systems cleaners, pursuant to section 25-10-104 (2). The local public health agency may charge a fee, not to exceed actual costs, for the initial license of a systems cleaner and for the renewal of the license. Initial licensing and renewals thereof shall be for a period of not less than one year. The local board of health may suspend or revoke the license of a systems cleaner for violation of this article or the rules adopted under this article or for other good cause shown after a hearing conducted upon reasonable notice to the systems cleaner and at which the systems cleaner may be present, with counsel, and be heard.