Mo. Rev. Stat. § 292.460
Outside ladder not to be used, when.
292.460. Outside ladder not to be used, when. — No outside ladder shall be used in connection with the construction, repairing, alteration, removal, or any work whatsoever on any building more than two stories in height, as a stairway.
(RSMo 1939 § 10227) Prior revision: 1929 § 13270