Missouri Revised Statutes Title XXVII. Debtor-Creditor Relations § 429.280. Parties to equitable action

1. All persons claiming any lien or encumbrance upon, and all persons having any rights in or against and all owners and lessees of said property to be affected and any of it, all as may be disclosed by the proper public records, shall be made parties to said action and parties whose interests are divers may join as plaintiffs therein, but if they do not join as plaintiffs, then they shall be made defendants.

2. Any person, lien claimant or other having any rights in, to, against or upon said property and any of it whose rights are not disclosed at the time of bringing said action by the proper record, shall be bound by the proceedings, orders and judgments in said actions, but any such person shall be entitled upon application to the court to be made a party to said action at any time before final disposition by the final judgment of the court therein of the proceeds of said property and shall be entitled according to their respective rights to participate in the proceeds of the sale of such property and any of it, as the same may be thereafter received or then remain under the jurisdiction of the court.

3. If at the commencement of said action any person whose rights are disclosed by the record is omitted as a party, he may thereafter be made party to said action either upon his own application or upon the application of any other party to said action or by the court of its own motion.

4. If any party to said action shall die or cease to exist during the pendency of said action before the judgment or order of sale therein of said property, then the proper representatives, either administrator or other proper successor in right, shall be substituted by order of the court upon motion and notice of motion without formal revivor of said action.