Future Estate -- Right Of Possession At Future Day

Mont. Code Ann. § 70-15-209, under Classification of Interests in Real Property.

Mont. Code Ann. § 70-15-209

A future estate may be limited by the act of the party to commence in possession at a future day, either without the intervention of a precedent estate or on the termination by lapse of time or otherwise of a precedent estate created at the same time.