It shall be the duty of all owners, contractors, builders, or persons having the direct and immediate control or supervision of any buildings in course of erection, which shall be more than 30 feet high, to see that all stairways, elevator openings, flues, and all other openings in the floors shall be covered or properly protected.
Mont. Code Ann. § 50-77-104
Guarding of stairways and other openings
En
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.