If any person moves from one county to another after being assessed on personal property, the treasurer of the county in which the person was assessed may sue for and collect the the taxes in the name of the county where the assessment was made.
Mont. Code Ann. § 15-16-503
Collection by suit of personal property taxes when taxpayer moves to another county
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.