(1) the transfer purports to have been made under the Uniform Gifts to Minors Act [repealed]; or
(2) the instrument by which the transfer purports to have been made uses in substance the designation "as custodian under the Uniform Gifts to Minors Act [repealed]" or "as custodian under the Uniform Transfers to Minors Act" of any other state, and the application of this subchapter is necessary to validate the transfer.