; and (B) may provide the Secretary with any privileged or proprietary information the Secretary requests to assist the Secretary in preparing the leasing program. (2) Confidential information Privileged or proprietary information provided to the Secretary under this subsection shall remain confidential for such period of time as agreed to by the head of the department or agency from whom the information is requested. (3) Existing resources In carrying out this subsection, the Secretary may use the existing capabilities and resources of a Federal department or agency by appropriate agreement. (k) Regulations Not later than 180 days after the date of enactment of the COAL Reform Act of 2017 , the Secretary shall issue such regulations as are necessary to carry out this section, including regulations that (to the maximum extent practicable)— (1) minimize discretion by State offices of the Department of the Interior in conducting lease sales; and (2) maximize the financial return for taxpayers of the United States. . 11. Rental rates Section 7(a) of the Mineral Leasing Act ( 30 U.S.C. 207 ) is amended in the third sentence by inserting at a rental rate of not less than $100 per acre (as reviewed and, if appropriate, adjusted by the Secretary every 5 years) before the period at the end. 12. Primary term of lease Section 7 of the Mineral Leasing Act ( 30 U.S.C. 207 ) is amended— (1) in subsection (a)— (A) in the first sentence, by striking twenty and inserting 10 ; (B) in the second sentence, by striking ten and inserting 5 ; and (C) in the sixth sentence— (i) by striking twenty and inserting 10 ; and (ii) by striking ten and inserting 5 ; and (2) in subsection (b)(5), by striking 20 and inserting 10 . 13. Minimum value The Mineral Leasing Act ( 30 U.S.C. 181 et seq.) is amended— (1) in sections 7(a) and 14 ( 30 U.S.C. 207(a) , 223), by striking 12½ per centum each place it appears and inserting 18.75 percent