C.R.S. § 2-4-203

(1) If a statute is ambiguous, the court, in determining the intention of the general assembly, may consider among other matters: (a) The object sought to be attained; (b) The circumstances under which the statute was enacted; (c) The legislative history, if any; (d) The common law or former statutory provisions, including laws upon the same or similar subjects; (e) The consequences of a particular construction; (f) The administrative construction of the statute; (g) The legislative declaration or purpose.