This chapter applies to a transfer within the scope of AS 13.46.010 made after December 31, 1990, if the
(1) transfer purports to have been made under the Alaska Uniform Gifts to Minors Act; or
(2) instrument by which the transfer purports to have been made uses in substance the designation “as custodian under the Uniform Gifts to Minors Act” or “as custodian under the Uniform Transfers to Minors Act” of another state, and the application of this chapter is necessary to validate the transfer.