C.R.S. § 7-30-113: Summons and complaint - service on whom.

In an action or proceeding against a nonprofit association, a summons and complaint must be served on an agent authorized by appointment to receive service of process, an officer, a managing or general agent, or a person authorized to participate in the management of its affairs. If none of them can be served, service may be made on a member who may participate in the selection of persons authorized to manage the affairs of the nonprofit association or in the development of policy of the nonprofit association.