Pub. L. 115-91, div. A, tit. IX, subtit. A, sec. 908
LIMITATION ON MAXIMUM NUMBER OF DEPUTY ASSISTANT SECRETARIES OF DEFENSE.
SEC. 908. LIMITATION ON MAXIMUM NUMBER OF DEPUTY ASSISTANT SECRETARIES OF DEFENSE. The maximum number of Deputy Assistant Secretaries of Defense after the date of the enactment of this Act may not exceed 48.