; and (B) be managed in accordance with— (i) the Wilderness Act ( 16 U.S.C. 1131 et seq.); (ii) this section; and (iii) any other applicable laws. (4) Grazing Grazing of livestock in the Wilderness, where established before the date of enactment of this Act, shall be allowed to continue in accordance with— (A) section 4(d)(4) of the Wilderness Act ( 16 U.S.C. 1133(d)(4) ); and (B) the guidelines set forth in the report of the Committee on Interior and Insular Affairs of the House of Representatives accompanying H.R. 5487 of the 96th Congress (H. Rept. 96–617). (c) Release of wilderness study areas Congress finds that, for the purposes of section 603(c) of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1782(c) ), the land within the Ah-shi-sle-pah Wilderness Study Area not designated as wilderness by this section has been adequately studied for wilderness designation and is no longer subject to section 603(c) of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1782(c) ). 5. Expansion of Bisti/De-Na-Zin Wilderness (a) In general There is designated as wilderness and as a component of the National Wilderness Preservation System certain Federal land comprising approximately 2,250 acres, as generally depicted on the map entitled San Juan County Wilderness Designations and dated April 2, 2015, which is incorporated in and shall be considered to be a part of the Bisti/De-Na-Zin Wilderness. (b) Administration Subject to valid existing rights, the land designated as wilderness by subsection (a) shall be administered by the Director of the Bureau of Land Management (referred to in this section as the Director ), in accordance with— (1) the Wilderness Act ( 16 U.S.C. 1131 et seq.), except that any reference in that Act to the effective date of that Act shall be considered to be a reference to the date of enactment of this Act; and (2) the San Juan Basin Wilderness Protection Act of 1984 ( Public Law 98–603 ; 98 Stat. 3155