105 STAT. 920 PUBLIC LAW 102-143—OCT. 28, 1991 and $35,000,000 shall be expended from the Boat Safety Account: 14 USC 92 note. Provided, That the number of aircraft on hand at any one time shall not exceed two hundred and twenty-three, exclusive of planes and parts stored to meet future attrition: Provided further. That none of the funds appropriated in this or guiy other Act shall be available for pay or administrative expenses in connection with shipping commisioners in the United States: Provided further. That none of the funds provided in this Act shall be available for expenses incurred for yacht documentation under 46 U.S.C. 12109, except to the extent fees are collected from yacht owners and credited to this appropriation: Provided further. That none of the funds provided in this Act shall be available for the operation, maintenance or manning of land-based and sea-based aerostationary balloons, or E2C aircraft. ACQUISITION, CONSTRUCTION, AND IMPROVEMENTS For necessary expenses of acquisition, construction, rebuilding, and improvement of aids to navigation, shore facilities, vessels, and aircraft, including equipment related thereto, $390,000,000, of which $33,822,000 shall be derived from the Oil Spill Liability Trust Fund; of which $144,150,000 shall be available to acquire, repair, renovate or improve vessels, small boats and related equipment, to remain available until September 30, 1996; $60,350,000 shall be available to acquire new aircraft and increase aviation capability, to remain available until September 30, 1994; $48,750,000 shall be available for other equipment, to remain available until September 30, 1994; $102,750,000 shall be available for shore facilities and aids to navigation facilities, to remain available until September 30, 1994; and $34,000,000 shall be available for personnel compensation and benefits and related costs, to remain available until September 30, 1992: Regulations. Provided, That the Secretary of Transportation shall issue regula- 10 USC^^403 tions requiring that written warranties shall be included in all note. contracts with prime contractors for major systems acquisitions of the Coast Guard: Provided further. That any such written warranty shall not apply in the case of any system or component thereof that has been furnished by the Government to a contractor: Provided further. That the Secretary of Transportation may provide for a waiver of the requirements for a warranty where: (1) the waiver is necessary in the interest of the national defense or the warranty would not be cost effective; and (2) the Committees on Appropriations of the Senate and the House of Representatives, the Committee on Commerce, Science, and Transportation of the Senate, and the Committee on Merchant Marine and Fisheries of the House of Representatives are notified in writing of the Secretary's intention to waive and reasons for waiving such requirements: Provided further, That the requirements for such written warranties shall not cover combat damage: Provided further. That none of the funds provided herein for Acquisition, Construction and Improvements shall be made available for personnel compensation and benefits in excess of six hundred and twenty-one full time equivalent staff years. ENVIRONMENTAL COMPLIANCE AND RESTORATION For necessary expenses to carry out the Coast Guard's environmental compliance and restoration functions under chapter 19 of title 14, United States Code, $21,500,000, to remain available until expended.