Mo. Rev. Stat. § 473.600: Accounting for assets received and disbursed after final settlement.

Receipts and disbursements of the executor or administrator, subsequent to the filing of his final settlement, shall be reported to the court before discharge. A settlement thereof, together with an estimate of the expenses of closing the estate, shall be made by the court and included in the order of distribution, or the court may treat the statement as a supplementary settlement and act on the same with or without notice but, if the court determines that notice is required or the executor or administrator or his sureties so request, notice shall be given in the manner prescribed by the court.