C.R.S. § 7-58-1302

(1) A derivative action to enforce a right of a limited cooperative association may be maintained only by a person that: (a) Is a member or a dissociated member at the time the action is commenced and: (I) Was a member when the conduct giving rise to the action occurred; or (II) Whose status as a member devolved upon the person by operation of law or the articles or bylaws from a person that was a member at the time of the conduct; and (b) Adequately represents the interests of the association. (2) If the sole plaintiff in a derivative action dies while the action is pending, the court may permit another member who meets the requirements of subsection (1) of this section to be substituted as plaintiff.