104 STAT. 2162 PUBLIC LAW 101-516—NOV. 5, 1990 in excess of $9,970,000 during fiscal year 1991, Such obligations shall be redeemed by the Secretary from appropriations authorized by this section. The Secretary of the Treasury shall purchase any such obligations, and for such purpose he may use as a public debt transaction the proceeds from the sale of any securities issued under the Second Liberty Bond Act, as now or hereafter in force. The purposes for which securities may be issued under such Act are extended to include any purchase of notes or other obligations issued under the subsection. The Secretary of the Tresisury may sell any such obligations at such times and price and upon such terms and conditions as he shall determine in his discretion. All purchases, redemptions, and sales of such obligations by such Secretary shall be treated as public debt transactions of the United States. FEDERAL HIGHWAY ADMINISTRATION LIMITATION ON GENERAL OPERATING EXPENSES Necessary expenses for administration, operation, and research of the Federal Highway Administration, not to exceed $256,415,000 shall be paid in accordance with law, from appropriations made available by this Act to the Federal Highway Administration together with advances and reimbursements received by the Federal Highway Administration: Provided, That not to exceed $67,301,000 of the amount provided herein shall remain available until expended: Provided further, That, notwithstanding any other provision of law, there may be credited to this account funds received from States, counties, municipalities, other public authorities, and private sources, for training expenses incurred for non-Federal employees. UNIVERSITY TRANSPORTATION CENTERS (HIGHWAY TRUST FUND) For necessary expenses for university transportation centers, as authorized by section 21(i)(2) of the Urban Mass Trginsportation Act of 1964, as amended, $5,000,000 to be derived from the Highway Trust Fund (other than the Mass Transit Account). HIGHWAY SAFETY RESEARCH AND DEVELOPMENT (HIGHWAY TRUST FUND) For necessary expenses in carrying out the provisions of sections 307(a) and 403 of title 23, United States Code, to be derived from the Highway Trust Fund and to remain available until expended, $5,450,000. HIGHWAY-RELATED SAFETY GRANTS (UQUIDATION OF CONTRACT AUTHORIZATION) (HIGHWAY TRUST FUND) For payment of obligations incurred in carrying out the provisions of title 23, United States Code, section 402, administered by the Federal Highway Administration, to remain available until expended, $10,000,000, to be derived from the Highway Trust Fund: Provided, That not to exceed $100,000 of the amount appropriated
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