When a grant is made upon condition subsequent and is subsequently defeated by the nonperformance of the condition, the person otherwise entitled to hold under the grant shall reconvey the property to the grantor or the grantor's successors by grant duly acknowledged for the record.
Mont. Code Ann. § 70-20-311
Grant on condition subsequent
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.