, That not to exceed 2 percent of the funds appropriated under this heading shall be available for necessary costs of grant administration: Provided further , That the proceeds of Federal credit assistance under chapter 6 of title 23, United States Code or sections 501 through 504 of the Railroad and Revitalization and Regulatory Reform Act of 1976 ( Public Law 94–210 ), as amended, shall be considered to be part of the non-Federal share of project costs if the loan is repayable from non-Federal funds, unless otherwise requested by the project sponsor. Administrative provisions—maritime administration 170. Notwithstanding any other provision of this Act, in addition to any existing authority, the Maritime Administration is authorized to furnish utilities and services and make necessary repairs in connection with any lease, contract, or occupancy involving Government property under control of the Maritime Administration: Provided , That payments received therefor shall be credited to the appropriation charged with the cost thereof and shall remain available until expended: Provided further , That rental payments under any such lease, contract, or occupancy for items other than such utilities, services, or repairs shall be covered into the Treasury as miscellaneous receipts. Pipeline and hazardous materials safety administration Operational expenses For necessary operational expenses of the Pipeline and Hazardous Materials Safety Administration, $23,710,000: Provided , That the Secretary of Transportation shall issue a final rule to expand the applicability of comprehensive oil spill response plans within 90 days of enactment of this Act: Provided further , That the amounts appropriated under this heading shall be reduced by $10,000 per day for each day that such rule has not been issued following the expiration of the period set forth in the previous proviso. Hazardous materials safety For expenses necessary to discharge the hazardous materials safety functions of the Pipeline and Hazardous Materials Safety