((a)) ** Lands within National Wildlife Refuge System but not part of National Wilderness Preservation System** Notwithstanding any other provision of law or regulation, whenever the Secretary receives an application for an oil and gas lease pursuant to the Mineral Leasing Act of 1920 [ et seq.] for lands in Alaska within a unit of the National Wildlife Refuge System which are not also part of the national Wilderness Preservation System he shall, in addition to any other requirements of applicable law, follow the procedures set forth in this section.30 U.S.C. 181

((b)) ** Statement of reasons for decision to issue or not to issue lease** Any decision to issue or not to issue a lease shall be accompanied by a statement setting forth the reasons for the decision, including the reasons why oil and gas leasing would be compatible or incompatible with the purposes of the refuge.

((c)) ** Environmental impact statement** If the Secretary determines that the requirements of do not apply to his decision, the Secretary shall render his decision within six months after receipt of a lease application. If such requirements are applicable to the Secretary’s decision, he shall render his decision within three months after publication of the final environmental impact statement.section 4332(2)(C) of title 42