There shall be at the seat of government an executive department to be known as the Department of Commerce, and a Secretary of Commerce, who shall be the head thereof, who shall be appointed by the President, by and with the advice and consent of the Senate, and whose term and tenure of office shall be like that of the heads of the other executive departments; and the provisions of title 4 of the Revised Statutes, including all amendments thereto, shall be applicable to said department. The said Secretary shall cause a seal of office to be made for the said department of such device as the President shall approve, and judicial notice shall be taken of the said seal.