Mo. R. Civ. P. 52.10
An action brought by or against the members of an unincorporated association as a class by naming certain members as representative parties may be maintained only if it appears that the representative parties will fairly and adequately protect the interests of the association and its members. In the conduct of the action the court may make appropriate orders corresponding with those described in Rule 52.08(d), and the procedure for dismissal or compromise of the action shall correspond with that provided in Rule 52.08(e).
Nothing in this Rule shall be construed to affect the rights or liabilities of labor unions to sue or be sued.
Mo. R. Civ. P. 52.10
Committee Note-1974
This is the same as Rule 23.2 of the Federal Rules of Civil Procedure with the following sentence added:
"Nothing in this Rule shall be construed to affect the rights or liabilities of labor unions to sue or be sued."