Mont. Code Ann. § 70-1-421
(2009)

Future interest subject to defeat -- how -- not void

A future interest may be defeated in any manner or by any act or means which the party creating such interest provided for or authorized in the creation thereof, nor is the future interest, thus liable to be defeated, to be on that ground adjudged void in its creation.

History:
En. Sec. 1181, Civ. C. 1895
Re-en. Sec. 4475, Rev. C. 1907
Re-en. Sec. 6717, R.C.M. 1921
Cal. Civ. C. Sec. 740
Field Civ. C. Sec. 212
Re-en. Sec. 6717, R.C.M. 1935
R.C.M. 1947, 67-418.