Pub. L. 103-433, tit. VI, sec. 603
ADMINISTRATION OF WILDERNESS AREAS.
SEC. 603. ADMINISTRATION OF WILDERNESS AREAS. The areas designated by section 601 of this title as wilderness shall be administered by the Secretary in accordance with the applicable provisions of the Wilderness Act governing areas designated by that title as wilderness, except that any reference in such provision to the effective date of the Wilderness Act shall be deemed to be a reference to the effective date of this title, and where appropriate, and reference to the Secretary of Agriculture shall be deemed to be a reference to the Secretary of the Interior.