W. Va. Code § 36-7-20: Termination of custodianship.

The custodian shall transfer in an appropriate manner the custodial property to the minor or to the minor's estate upon the earlier of:

(1) The minor's attainment of twenty-one years of age with respect to custodial property transferred under section four or five of this article;

(2) The minor's attainment of majority under the laws of this state other than this article with respect to custodial property transferred under sections six or seven of this article; or

(3) The minor's death.