The conveyances must be recorded in the county where the premises are situated and shall be a bar against all persons interested in the property in any way who shall have been named as parties in the action and against all such parties and persons as were unknown, if the summons was served by publication, and against all persons claiming under them or either of them and against all persons having unrecorded deeds or liens at the commencement of the action.
Mont. Code Ann. § 70-29-311
Conveyances to be recorded -- bar against parties
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.