A person who officiously and without the consent of the real or apparent owner of a thing takes it into the person's possession for the purpose of rendering service about it must complete the service and use ordinary care, diligence, and reasonable skill about the service. The person is not entitled to any compensation for the service or expenses, except that the person may deduct actual and necessary expenses incurred by the person about the service from any profits that the service has caused the thing to acquire for its owner and shall account to the owner for the residue.
Mont. Code Ann. § 28-1-202
Obligation of one who unilaterally decides to render service
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.