C.R.S. § 13-50-105

A partnership or other unincorporated association may sue or be sued in an action in its common name to enforce for or against it a substantive right; except that in such action only the property of the partnership or other unincorporated association, the joint property of the associates, and the separate property of any individual member thereof who is named as a party individually and over whom individually the court has acquired jurisdiction either by entry of appearance or by service of process may be bound by the judgment therein.