Mo. Rev. Stat. § 473.583: Petition for final settlement and distribution.

At the time of filing of a final settlement the executor or administrator shall petition the court to allow and approve his settlement and if the estate is in a proper condition to be closed, he shall also petition the court for an order authorizing him to distribute the estate, and shall specify in the petition the persons to whom distribution is to be made and the proportions or parts of the estate to which each is entitled.