49 U.S.C. § 30303: State participation

(a) Notification.—A State may become a participating State under this chapter by notifying the Secretary of Transportation of its intention to be bound by section 30304 of this title. (b) Withdrawal.—A participating State may end its status as a participating State by notifying the Secretary of its withdrawal from participation in the National Driver Register. (c) Form and Way of Notification.—Notification by a State under this section shall be made in the form and way the Secretary prescribes by regulation.