New York Consolidated Laws, Estates, Powers and Trusts Law - EPT § 10-9.2 Release of a power of appointment

(a) Any power of appointment, whether exercisable only by deed, only by will, or by either deed or will, and whether general or special, exclusive or nonexclusive other than a power which is imperative, is releasable, either with or without consideration, by written instrument signed by the donee of such power and delivered as hereinafter provided.

(b) A releasable power of appointment may be released with respect to all or any part of the appointive property and may also be released in such manner as to reduce or limit the appointees, or classes of appointees, in whose favor such power is exercisable.  No release of any power of appointment shall cause the power to become imperative when such power was not imperative prior to such release, unless the instrument of release expressly so provides.

(c) Such release may be delivered to any of the following:

(d) This section applies to releases delivered on or after July first, nineteen hundred forty-two.