( 43 U.S.C. 1331 et seq.), including the review of applications for permits to drill. Of the unobligated balances available for this account, $12,000,000 are permanently rescinded. Oil spill research For necessary expenses to carry out title I, section 1016, title IV, sections 4202 and 4303, title VII, and title VIII, section 8201 of the Oil Pollution Act of 1990, $12,700,000, which shall be derived from the Oil Spill Liability Trust Fund, to remain available until expended. Office of surface mining reclamation and enforcement Regulation and technology For necessary expenses to carry out the provisions of the Surface Mining Control and Reclamation Act of 1977, Public Law 95–87 , $113,790,000, to remain available until September 30, 2019: Provided , That appropriations for the Office of Surface Mining Reclamation and Enforcement may provide for the travel and per diem expenses of State and tribal personnel attending Office of Surface Mining Reclamation and Enforcement sponsored training. In addition, for costs to review, administer, and enforce permits issued by the Office pursuant to section 507 of Public Law 95–87 ( 30 U.S.C. 1257 ), $40,000, to remain available until expended: Provided , That fees assessed and collected by the Office pursuant to such section 507 shall be credited to this account as discretionary offsetting collections, to remain available until expended: Provided further , That the sum herein appropriated from the general fund shall be reduced as collections are received during the fiscal year, so as to result in a fiscal year 2018 appropriation estimated at not more than $113,790,000. Abandoned mine reclamation fund For necessary expenses to carry out title IV of the Surface Mining Control and Reclamation Act of 1977, Public Law 95–87 , $24,672,000, to be derived from receipts of the Abandoned Mine Reclamation Fund and to remain available until expended: Provided , That pursuant to Public Law 97–365 , the Department of the Interior is authorized to use up to 20 percent from the recovery of