Del. Code tit. 3 § 1213
Any nonresident applying for a license under this chapter shall appoint and constitute the Secretary of State of this State the nonresident's agent for the acceptance of legal process in any civil action against such nonresident. Any such process when so served shall be of the same legal force and validity as if served upon such nonresident personally within the State. Such appointment shall be irrevocable and binding on the nonresident's executor or administrator; provided, however, that any such nonresident who has a duly appointed resident agent upon whom process may be served as provided by law shall not be required to designate the Secretary of State as such agent. The Secretary of State shall be allowed such fees therefor as provided by law for designating resident agents. The Department shall be furnished with a copy of such designation of the Secretary of State or of a resident agent, such copy to be duly certified by the Secretary of State.
3 Del. C. § 1213