A person, firm, corporation, or other business entity or its representative may not require a person to take a polygraph test or any form of a mechanical lie detector test as a condition for employment or continuation of employment.
Mont. Code Ann. § 39-2-304
Lie detector tests prohibited
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.