An Act amending Title 20 (Decedents, Estates and Fiduciaries) of the Pennsylvania Consolidated Statutes, further providing for the jurisdiction of the court regarding testamentary trusts; adding a section providing that documents submitted to the register of wills, except for probate, may be attested to by an affidavit or by a verified statement; broadening the class of property deemed disclaimed when a spouse takes an elective share; avoiding automatic modification of wills and inter vivos conveyances that are made in contemplation of a marriage or divorce; adding a rule of interpretation for wills and conveyances regarding corporate fiduciaries; confirming existing law that a gift to any unfunded trust is valid; adding a chapter relating to contracts concerning succession; providing for notice to beneficiaries and heirs; authorizing personal representatives to make certain temporary investments; allowing fiduciaries to hold certain securities in book-entry form; further providing for notice to parties in interest; further providing for rights and limitations on rights of claimants; authorizing the guardian of the estate of a minor to distribute certain income without court approval; adding the Pennsylvania Uniform Transfers to Minors Act; authorizing the court to exercise all rights and privileges under certain contracts which provide for payments to an incompetent or others after the incompetent's death; authorizing the court to modify the estate plan of an incompetent to reflect changes in applicable tax laws; further providing for the execution, interpretation, effect, form, implementation and operation of powers of attorney; authorizing the court to allow a shorter period of notice to an absentee; providing that as a matter of law divorce revokes any revocable beneficiary designation made in favor of the former spouse; further providing for the annexation of accounts; further authorizing the court to divide trusts; authorizing a bank or trust company to invest their fiduciary accounts in mutual funds which they service; further authorizing the court to grant declaratory relief with respect to certain interests in real property; and making technical changes.