All boilers and steam engines, except as exempted in 50-74-103, come under the provisions of this chapter, and persons operating same are required to hold the proper grade of license.
Mont. Code Ann. § 50-74-301
License required to operate boilers and steam engines
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.