{"data":{"id":"us-mo/mo.-rev.-stat.-509.010","jurisdiction":"us-mo","citation":"Mo. Rev. Stat. § 509.010","heading":"Shall be petition and answer — reply if answer contains counterclaim.","body":"There shall be a petition and an answer; and there shall be a reply if the answer contains a counterclaim denominated as such; an answer to a cross-claim, if the answer contains a cross-claim; a third-party petition if leave is given to summon a person who was not an original party; and there shall be a third-party answer, if a third-party petition is served. No other pleading shall be required except that the court may order a reply to an answer or a third-party answer.","path":["Title XXXV - CIVIL PROCEDURE AND LIMITATIONS","Chapter 509 - Pleadings"],"source_url":"https://revisor.mo.gov/main/OneSection.aspx?section=509.010","current_through":"2026 legislative session (floor)","vintage":"","retrieved_at":"2026-09-03T22:23:28Z","sha256":"3514acbd15cb2850e378cb7d292a54feb59e4a4161de2051237312a643434f2d","source_id":"us-mo","stale":false,"prev":"us-mo/mo.-rev.-stat.-508.340","next":"us-mo/mo.-rev.-stat.-509.020"},"notice":"GroundRules: Original legal text. Not legal advice."}