Mo. Rev. Stat. § 473.563: Settlement after citation, penalty.

If, after service of the citation, the executor or administrator appears and files his settlement he shall be fined for his failure to file settlement at the proper time in a sum not exceeding one hundred dollars, unless he satisfies the court that it was impracticable for him to file settlement. All fines shall be paid into the county treasury and the executor or administrator and his sureties are liable for the same upon their bonds.