A depositary is liable for any damage happening to the thing deposited during the depositary's wrongful use of the thing unless the damage inevitably would have happened if the property had not been used.
Mont. Code Ann. § 70-6-202
Liability for damage from wrongful use
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.