If the owner or the owner's agent fails to demand the surplus within 60 days of the time of sale, then it must be paid into the county treasury, subject to the order of the owner.
Mont. Code Ann. § 70-9-404
Surplus proceeds unclaimed -- disposition
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.