; and (B) not later than 3 years after the date of enactment of this Act, includes in the Department of Agriculture annual budget submission to Congress a request for additional sums as may be necessary to meet the requirement of that paragraph. (3) Comprehensive management plan requirements Updated management plans under paragraph (1) or (2) satisfy the requirements under section 3(d) of the Wild and Scenic Rivers Act ( 16 U.S.C. 1274(d) ). 4. Existing rights and withdrawal (a) In general In accordance with section 12(b) of the Wild and Scenic Rivers Act ( 16 U.S.C. 1283(b) ), nothing in this Act or the amendment made by section 3(a) affects or abrogates existing rights, privileges, or contracts held by private parties, nor does this Act in any way modify or direct the management, acquisition, or disposition of land managed by the Washington Department of Natural Resources on behalf of the State of Washington. (b) Withdrawal Subject to valid existing rights, the Federal land within the boundaries of the river segments designated by this Act and the amendment made by section 3(a) is withdrawn from all forms of— (1) entry, appropriation, or disposal under the public land laws; (2) location, entry, and patent under the mining laws; and (3) disposition under all laws relating to mineral and geothermal leasing or mineral materials. 5. Treaty rights Nothing in this Act alters, modifies, diminishes, or extinguishes the reserved treaty rights of any Indian Tribe with hunting, fishing, gathering, and cultural or religious rights as protected by a treaty.