Mo. Rev. Stat. § 474.200
Current with changes from the 2023 Legislative Session
The right of election of the surviving spouse is personal to him. It is not transferable and cannot be exercised after his death; but if the surviving spouse is disabled or a minor, his guardian ad litem or conservator may elect for him with the approval of the court or, on application of an interested person, the court may order his guardian ad litem or conservator to elect for him.
§ 474.200, RSMo