Mo. Rev. Stat. § 172.140
172.140 Quorum.
172.140. Quorum. — At all meetings of the board of curators five members shall be necessary to constitute a quorum for the transaction of business.
(RSMo 1939 § 10789) Prior revisions: 1929 § 9632; 1919 § 11529; 1909 § 11103