Mo. Rev. Stat. § 475.525
Current with changes from the 2023 Legislative Session
Except as otherwise provided in section 475.524, a court that has appointed a guardian or issued a protective order consistent with sections 475.501 to 475.555 has exclusive and continuing jurisdiction over the proceeding until it is terminated by the court or the appointment or order expires by its own terms.
§ 475.525, RSMo