(a) Suitability of lands for preservation; report to President
Within five years from December 2, 1980, the Secretary shall, in accordance with the provisions of section 1132(d) of this title relating to public notice, public hearings, and review by State and other agencies, review, as to their suitability or nonsuitability for preservation as wilderness, all lands within units of the National Park System and units of the National Wildlife Refuge System in Alaska not designated as wilderness by this Act and report his findings to the President.

(b) Presidential recommendations to Congress
The Secretary shall conduct his review, and the President shall advise the United States Senate and House of Representatives of his recommendations, in accordance with the provisions of sections ¹ 1132(c) and (d) of this title. The President shall advise the Congress of his recommendations with respect to such areas within seven years from December 2, 1980.

(c) Administration of units unaffected pending Congressional action
Nothing in this section shall be construed as affecting the administration of any unit of the National Park System or unit of National Wildlife Refuge System in accordance with this Act or other applicable provisions of law unless and until Congress provides otherwise by taking action on any Presidential recommendation made pursuant to subsection (b) of this section.