Mo. Rev. Stat. § 473.240
Current with changes from the 2023 Legislative Session
If, after making the first inventory and appraisement, any other real or personal estate of the deceased comes to the possession or knowledge of the executor or administrator, he shall file a similar additional inventory and appraisement thereof.
§ 473.240, RSMo
RSMo 1939 § 60, A.L. 1955 p. 385 § 99