Mo. Rev. Stat. § 490.350
Current with changes from the 2023 Legislative Session
Certified copies of such records as are contemplated in section 490.340 shall not be received in evidence until the execution of the original instrument or instruments from which such records are made has been duly proved according to law, except where the record has been made thirty years or more prior to the time of offering the certified copies in evidence.
§ 490.350, RSMo
RSMo 1939 § 1846, A.L. 1959 S.B. 113