79. Class gifts.

(iv)     Limitations to Classes and to Members of Classes

a.     Instruments Taking Effect Prior to 16 July 1964

79.     Class gifts.

A limitation to a class is governed by the same principles as other limitations with respect to the rule against perpetuities, but the effect of the rule needs a separate statement. By a limitation to a class is meant1 a limitation to a number of devisees or alienees, uncertain in number at the time of the gift, to be ascertained at a future time, all or some of whom2 come within a certain category or description defined by