; and (B) any reference in the Wilderness Act to the Secretary of Agriculture shall be considered to be a reference to the Secretary. (3) Incorporation of acquired land and interests in land Any land or interest in land within the boundary of the wilderness areas that is acquired by the United States shall— (A) become part of the wilderness area in which the land is located; 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 areas, where established before the date of enactment of this Act, shall be administered 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 appendix A of the Report of the Committee on Interior and Insular Affairs to accompany H.R. 2570 of the 101st Congress (H. Rept. 101–405). (5) Buffer zones (A) In general Nothing in this section creates a protective perimeter or buffer zone around the wilderness areas. (B) Activities outside wilderness areas The fact that an activity or use on land outside a wilderness area can be seen or heard within the wilderness area shall not preclude the activity or use outside the boundary of the wilderness area. (6) Release of wilderness study areas Congress finds that, for purposes of section 603(c) of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1782(c) ), the public land within the San Antonio Wilderness Study Area not designated as wilderness by this subsection— (A) has been adequately studied for wilderness designation; (B) is no longer subject to section 603(c) of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1782(c) )