Mo. Rev. Stat. § 454.1518
Duration of personal jurisdiction.
454.1518. Duration of personal jurisdiction. — Personal jurisdiction acquired by a tribunal of this state in a proceeding under sections 454.1500 to 454.1728 or other law of this state relating to a support order continues as long as a tribunal of this state has continuing, exclusive jurisdiction to modify its order or continuing jurisdiction to enforce its order as provided by sections 454.1527 , 454.1530 , and 454.1545 .
(L. 2011 H.B. 260) Effective 6-15-16, see § 454.1728