Mo. Rev. Stat. § 474.390
Current with changes from the 2023 Legislative Session
Any will admitted to probate or recorded under section 474.380 thereafter may be contested and annulled, within the same time, and in the same manner, as wills executed and proved in this state.
§ 474.390, RSMo
RSMo 1939 § 554, A.L. 1955 p. 385 § 268