Section 760 ILCS 20/23 - Effect on Existing Custodianships(a) Any transfer of custodial property whether or not now defined in this Act made before the effective date of this Act is validated notwithstanding that there was no specific authority in the Uniform Gifts to Minors Act of this State for the coverage of custodial property of that kind or for a transfer from that source at the time the transfer was made.(b) This Act applies to all transfers made before the effective date of this Act in a manner and form prescribed in the Uniform Gifts to Minors Act of this State, except insofar as the application impairs vested rights.