102 STAT. 1768
PUBLIC LAW 100-443—SEPT. 22, 1988
"(C) Architectural or engineering services procured for the design of generating facilities to be located on the lease. "(D) Environmental studies required by State or Federal law. "(3) Expenditures shall be equal to the following: "(A) In each of the first through the fifth years, at least $15.00 per acre or fraction thereof, of lands under lease. "(B) In each of the sixth through the tenth years, at least $18.00 per acre or fraction thereof, of lands under lease. "(4) Failure to make the expenditures required by this subsection shall subject the lease to cancellation. "(5) No expenditures made pursuant to this subsection shall be required after the date geothermal steam is produced or utilized in commercial quantities from the lease. "(6) Expenditures made pursuant to this subsection shall be in lieu of any minimum per acre diligent exploration expenditure requirement in effect for the lease at the end of its primary term, or at the end of any extension provided by subsection (c), as the case may be.". SEC. 4. REVIEW OF COOPERATIVE OR UNIT PLAN OF DEVELOPMENT.
Section 18 of the Geothermal Steam Act of 1970 as amended (30 U.S.C. 1017) is amended by inserting the following new paragraph after the first full paragraph of that section: "No more than five years after approval of any cooperative or unit plan of development or operation, and at least every five years thereafter, the Secretary shall review each such plan and, after notice and opportunity for comment, eliminate from inclusion in such plan any lease or part of a lease not regarded as reasonably necessary to cooperative or unit operations under the plan. In the case of a cooperative or unit plan approved before the enactment of the Geothermal Steam Act Amendments of 1988, the Secretary shall complete such review and elimination within 5 years after the enactment of such Act. Such elimination shall be based on scientific evidence, and shall occur only when it is determined by the Secretary to be for the purpose of conserving and properly managing the geothermal resource. Any lease or part of a lease so eliminated shall be eligible for an extension under subsection (c) or (g) of section 6 if it separately meets the requirements for such an extension.". SEC. 5. CONFORMING AMENDMENTS.
(a) Section 20 of the Geothermal Steam Act of 1970 (30 U.S.C. 1019) is amended to read as follows: "SEC. 20. All moneys received from the sales, bonuses, royalties and rentals under the provisions of this Act, including the payments referred to in section 6(i), shall be disposed of in the same manner as such moneys received pursuant to section 35 of the Mineral Leasing Act or pursuant to section 6 of the Mineral Leasing Act for Acquired Lands, as the case may be.". (b) Section 35 of the Mineral Leasing Act (30 U.S.C. 191) is amended by striking "notwithstanding the provisions of section 20 thereof,". (c) Section 43 of the Mineral Leasing Act (30 U.S.C. 226-3) is amended as follows: (1) In subsection (a) strike out "oil and gas", and after "this Act" insert "or under the Geothermal Steam Act of 1970".