7 U.S.C. § 2202

Executive Department; Secretary

The Department of Agriculture shall be an executive department, under the supervision and control of a Secretary of Agriculture, who shall be appointed by the President, by and with the advice and consent of the Senate. The provisions of title 4 of the Revised Statutes, including all amendments thereto, shall be applicable to said department; and all laws and parts of laws relating to the Department of Agriculture in existence February 9, 1889 , as far as the same are applicable and not in conflict with this section, and only so far, are continued in full force and effect.

( Feb. 9, 1889, ch. 122 , §§ 1, 4, 25 Stat. 659 .)