make recommendations regarding the management of the lands, and shall include the recommendations in the report required by section 501. (b) Prohibition After completion of the evaluation required by subsection (a), until Congress enacts a law stating otherwise, no new road construction or reconstruction, or timber harvest (except firewood gathering) shall be allowed in the lands described in subsection (a). In addition, subject to valid existing rights, no oil or gas leasing, mining, or other development which impairs the natural and roadless qualities of these lands shall be allowed on the lands. VI Additional Provisions Regarding Indian Tribes 601. Indian tribes Nothing in this Act may be construed to affect or modify any treaty or other right of an Indian tribe. 602. Federal trust responsibility Nothing in this Act is intended to amend, alter, or give priority over the Federal trust responsibility to Indian tribes. 603. Exemption from freedom of information act If a Federal department or agency receives any information related to sacred sites or cultural activities identified by an Indian tribe as confidential, such information shall be exempt from disclosure under section 552 of title 5, United States Code, popularly known as the Freedom of Information Act ( 5 U.S.C. 552 ). 604. Application of Indian Self-Determination and Education Assistance Act The Secretary of the Interior may apply the provisions of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 450 et seq.