All stairways used in connection with the construction, repairing, alteration, removal, or any work whatsoever, on any building more than two stories in height, shall be kept lighted at all times during their use and shall have a handrail running the entire length of said stairway.
Mo. Rev. Stat. § 292.470
Stairways to be kept lighted when in use
Effective: 28 Aug 1939; (RSMo 1939 § 10228)
Official source: Missouri Revisor of Statutes. Reproduced from public-domain Missouri statutes; confirm against the official source for the current text. Not legal advice.