Pub. L. 109-163, div. A, tit. V, subtit. D, sec. 543
INCREASE IN MAXIMUM AGE FOR ENLISTMENT.
SEC. 543. INCREASE IN MAXIMUM AGE FOR ENLISTMENT. Section 505(a) of title 10, United States Code, is amended by striking “thirty-five years of age” and inserting “forty-two years of age”.