Pennsylvania Statutes Title 20 Pa.C.S.A. Decedents, Estates and Fiduciaries § 7606. Partially effective exercise

In the absence of a contrary intent appearing in the instrument creating a power of appointment or in the donee's instrument exercising the power, a partially ineffective exercise of a power of appointment shall not make ineffective any otherwise effective portion of the exercise, unless the appointment regarded as a whole constitutes such an integrated plan that the parts cannot be separated without defeating the plan.