Missouri Revised Statutes













Chapter 507

Parties

←507.080

Section 507.090.1

507.100→

August 28, 2015

Intervention--when as of right and when permissive--procedure.

507.090. 1. Upon timely application anyone shall be permitted to

intervene in an action



(1) When a statute confers an unconditional right to intervene; or



(2) When the representation of the applicant's interest by existing

parties is or may be inadequate and the applicant is or may be bound by a

judgment in the action; or



(3) When the applicant is so situated as to be adversely affected by a

distribution or other disposition of property in the custody of the court or

of an officer thereof.



2. Upon timely application anyone may be permitted to intervene in an

action



(1) When a statute confers a conditional right to intervene; or



(2) When an applicant's claim or defense and the main action have a

question of law or fact in common. In exercising its discretion the court

shall consider whether the intervention will unduly delay or prejudice the

adjudication of the rights of the original parties.



3. (1) A person desiring to intervene shall serve a motion to intervene

upon all parties affected thereby. The motion shall state the grounds

therefor, and shall be accompanied by a pleading setting forth the claim or

defense for which intervention is sought. The same procedure shall be

followed when a statute of this state gives a right to intervene.



(2) When the validity of a statute, regulation or constitutional

provision of this state, or an ordinance or regulation of a governmental

subdivision thereof affecting the public interest is drawn in question in any

action to which the state or governmental subdivision or an officer, agency or

employee thereof is not a party, the court may in its discretion notify the

chief legal officer of the state or subdivision thereof affected.



(3) In all cases and proceedings wherein the validity of a statute,

regulation or constitutional provision of this state affecting the public

interest is drawn in question, and the state or an officer, agency or

employee thereof is not a party, the state of Missouri may in the discretion

of the court be permitted to intervene, upon proper application.



(4) In all cases and proceedings wherein the validity of an ordinance or

regulation of any governmental subdivision of this state affecting the public

interest is drawn in question, and the governmental subdivision, or an

officer, agency or employee thereof is not a party, the governmental

subdivision may in the discretion of the court be permitted to intervene,

upon proper application.



(L. 1943 p. 353 § 21)







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