If the donee of a power of appointment exercises the power in favor of the trustee of a trust under a will or deed other than that under which the power was created, and if said exercise is otherwise valid, the appointive property shall be paid over to and administered by the trustee of, and under the terms of, the trust under such will or deed and jurisdiction over said appointive property shall thereafter be in the court having jurisdiction of the trust under such will or deed.
N.Y. EPTL 10-6.9