) is further amended by adding at the end the following: (9) Multiple-use management The Secretary of the Interior, or for National Forest lands, the Secretary of Agriculture, shall manage lands that are subject to an oil and gas lease under this Act in accordance with the principles, policies, and requirements relating to multiple use under the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1701 et seq.), until the beginning of operations under such lease. . 408. Oil shale Section 21(a) of the Mineral Leasing Act ( 30 U.S.C. 241(a) ) is amended— (1) in paragraph (1), by striking The Secretary of the Interior and inserting Subject to paragraph (6), the Secretary of the Interior