Partition Fences Required -- Adjoining Lands Previously Enclosed

Mont. Code Ann. § 70-16-206, under Adjoining Landowners and Boundaries -- Fences.

Mont. Code Ann. § 70-16-206

The occupants of adjoining lands enclosed with fences must build and maintain partition fences between their own and the next adjoining enclosure in equal shares so long as both continue to enclose the same, and such partition fence must be kept in good repair throughout the year unless the occupants otherwise mutually agree.