New York Laws
Part 4 - Estates Defined
6-4.8 - Definition of a Future Estate Vested Subject to Open


A future estate vested subject to open is an estate created in favor
of a class of persons, one or more of whom are ascertained and in being,
which is certain when created to become an estate in possession whenever
and however the preceding estates end, and is subject to diminution by
reason of another person becoming entitled to share therein.