Del. Code tit. 15, § 7334

Certificates of appointment of electors by the General Assembly shall be duly made and signed by the President of the Senate and the Speaker of the House of Representatives and attested by the clerks of the houses respectively, and shall be transmitted by the President of the Senate as follows: one to the Governor, in order that lists may be made, certified and delivered, according to the Act of Congress in that behalf and 1 to each of the electors appointed.