Section, act Aug. 21, 1935, ch. 593, §3, 49 Stat. 667
; Pub. L. 91–383, §9, Aug. 18, 1970, as added
Pub. L. 94–458, §2, Oct. 7, 1976, 90 Stat. 1940
; amended
Pub. L. 95–625, title VI, §604(2), Nov. 10, 1978, 92 Stat. 3518
;
Pub. L. 101–628, title XII, §§1211, 1212, Nov. 28, 1990, 104 Stat. 4507
;
Pub. L. 104–333, div. I, title VIII, §814(f)(1), Nov. 12, 1996, 110 Stat. 4197
;
Pub. L. 109–156, §5, Dec. 30, 2005, 119 Stat. 2948
;
Pub. L. 110–161, div. F, title I, Dec. 26, 2007, 121 Stat. 2107
;
Pub. L. 111–8, div. E, title I, Mar. 11, 2009, 123 Stat. 710
, established the National Park System Advisory Board and the National Park Service Advisory Council. See sections 102303 and 102304 of Title 54, National Park Service and Related Programs.