(1) a federal statute other than the Assimilative Crimes Act, 18 U.S.C. Sec. 13; or
(2) a federal regulation that is: (a) authorized by a federal statute other than the Assimilative Crimes Act, 18 U.S.C. Sec. 13; and (b) necessary to implement the provisions of the Federal Land Policy Management Act with respect to the management, use, and protection of the public lands, including the property located on those lands, as provided in 43 U.S.C. Sec. 1733(a).
(a) authorized by a federal statute other than the Assimilative Crimes Act, 18 U.S.C. Sec. 13; and
(b) necessary to implement the provisions of the Federal Land Policy Management Act with respect to the management, use, and protection of the public lands, including the property located on those lands, as provided in 43 U.S.C. Sec. 1733(a).