5 U.S.C. § 4509
Prohibition of cash award to Executive Schedule officers
No officer may receive a cash award under the provisions of this subchapter, if such officer—
(1)
serves in—
(A)
an Executive Schedule position under subchapter II of chapter 53; or
(B)
a position for which the compensation is set in statute by reference to a section or level under subchapter II of chapter 53; and
(2)
was appointed to such position by the President, by and with the advice and consent of the Senate.
(Added Pub. L. 103–425, § 2(a) , Oct. 31, 1994 , 108 Stat. 4370 .)