Mo. Rev. Stat. § 1.060
Current with changes from the 2023 Legislative Session
When a statute requires an act to be done, which by law an agent or deputy as well may do as the principal, the requisition is satisfied by the performance of the act by an authorized agent or deputy.
§ 1.060, RSMo
RSMo 1939 § 655, A. 1949 S.B. 1001, A.L. 1957 p. 587