1. Subject to the provisions of section 507.070, persons having a joint interest shall be made parties and be joined on the same side as plaintiffs or defendants. When a person who should join as a plaintiff refuses to do so, or his consent cannot be obtained, he may be made a defendant.

2. When a complete determination of the controversy cannot be had without the presence of other parties, the court may order them to be brought in by an amendment of the petition, or by a supplemental petition and a new summons.

Terms Used In Missouri Laws 507.030

  • Amendment: A proposal to alter the text of a pending bill or other measure by striking out some of it, by inserting new language, or both. Before an amendment becomes part of the measure, thelegislature must agree to it.
  • Defendant: In a civil suit, the person complained against; in a criminal case, the person accused of the crime.
  • person: may extend and be applied to bodies politic and corporate, and to partnerships and other unincorporated associations. See Missouri Laws 1.020
  • Plaintiff: The person who files the complaint in a civil lawsuit.
  • Summons: Another word for subpoena used by the criminal justice system.