105 STAT. 868 PUBLIC LAW 102-141—OCT. 28, 1991 employees serving abroad in cases of death or life threatening illness of said employee. Drugs and drug SEC. 602. No department, agency, or instrumentality of the United abuse. States receiving appropriated funds under this or any other Act for fiscal year 1992 shall obligate or expend any such funds, unless such department, agency, or instrumentality has in place, and will continue to administer in good faith, a written policy designed to ensure that all of its workplaces are free from the illegal use, possession, or distribution of controlled substances (as defined in the Controlled Substances Act) by the officers and employees of such department, agency, or instrumentality. SEC. 603. Notwithstanding any other provision of law, a Federal employing agency shall make the deposit from existing appropriations into the Federal Employees Compensation Account of the Unemployment Trust Fund, as required by section 8509 of title 5, United States Code, not later than thirty days after the Department of Labor has billed the agency for the amount to be deposited. SEC. 604. Notwithstanding the provisions of the Act of September 13, 1982 (Public Law 97-258, 31 U.S.C. 1345), any agency, department or instrumentality of the United States which provides or proposes to provide child care services for Federal employees may reimburse any Federal employee or any person employed to provide such services for travel, transportation, and subsistence expenses incurred for training classes, conferences or other meetings in connection with the provision of such services: Provided, That any per diem allowance made pursuant to this section shall not exceed the rate specified in regulations prescribed pursuant to section 5707 of title 5, United States Code. 31 USC 1343 SEC. 605. Unless otherwise specifically provided, the maximum ^^^- amount allowable during the current fiscal year in accordance with section 16 of the Act of August 2, 1946 (60 Stat. 810), for the purchase of any passenger motor vehicle (exclusive of buses and ambulances), is hereby fixed at $7,100 except station wagons for which the maximum shall be $8,100: Provided, That these limits may be exceeded by not to exceed $3,700 for police-type vehicles, and by not to exceed $4,000 for special heavy-duty vehicles: Provided further. That the limits set forth in this section may not be exceeded by more than five percent for electric or hybrid vehicles purchased for demonstration under the provisions of the Electric and Hybrid Vehicle Research, Development, and Demonstration Act of 1976: Provided further. That the limits set forth in this section may be exceeded by the incremental cost of clean alternative fuels vehicles acquired pursuant to Public Law 101-549 over the cost of comparable conventionally fueled vehicles. SEC. 606. Appropriations of the executive departments and independent establishments for the current fiscal year available for expenses of travel or for the expenses of the activity concerned, are hereby made available for quarters allowances and cost-of-living allowances, in accordance with 5 U.S.C. 5922-24. 5 USC 3101 note. SEC. 607. Unless otherwise specified during the current fiscal year no part of any appropriation contained in this or any other Act shall be used to pay the compensation of any officer or employee of the Government of the United States (including any agency the majority of the stock of which is owned by the Government of the United States) whose post of duty is in the continental United States unless such person (1) is a citizen of the United States, (2) is a person in the service of the United States on the date of enactment of this Act,
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