(b) This article applies to all transfers made before the effective date of this article in a manner and form prescribed in the West Virginia Uniform Gifts to Minors Act, except insofar as the application impairs constitutionally vested rights or extends the duration of custodianships in existence on the effective date of this article.
(c) Sections one and twenty with respect to the age of a minor for whom custodial property is held under this article do not apply to custodial property held in a custodianship that terminated because of the minor's attainment of the age of eighteen after the ninth day of June, one thousand nine hundred seventy-two and before the first day of July, one thousand nine hundred eighty-six.