C.R.S. § 10-4-421

(1) In the event that a rate filing for type II insurance for commercial liability includes a rate increase or decrease, the filing entity shall clearly identify in a cover letter accompanying the rate filing the specific portion of the rate filing that represents such an increase or decrease and shall state clearly the percentage of any such proposed increase or decrease. (2) This section shall not apply to insurers providing coverage for exempt commercial policyholders, as defined pursuant to section 10-4-1402 and rules adopted by the commissioner pursuant to that section.