Colo. Rev. Stat. § 10-4-1307
The association shall file in the office of the commissioner annually, on or before June 1, a statement which shall contain information with respect to its transactions, condition, operations, and affairs during the preceding year. Such statement shall contain an independent actuarial certification of the results of the operation of the plan and such other matters and information as are prescribed. The commissioner may prescribe the form of such statement and may, at any time, require the association to furnish additional information with respect to its transactions, condition, or any matter connected therewith considered to be material and of assistance in evaluating the scope, operation, and experience of the association.
C.R.S. § 10-4-1307