; and (4) the term ultimate users means individuals who consume or use the products or services, whether or not they are participants in the plan or operation. VII General provisions—government-wide Departments, Agencies, and Corporations (including transfer of funds) 701. No department, agency, or instrumentality of the United States receiving appropriated funds under this or any other Act for fiscal year 2018 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 ( 21 U.S.C. 802 )) by the officers and employees of such department, agency, or instrumentality. 702. Unless otherwise specifically provided, the maximum amount allowable during the current fiscal year in accordance with subsection 1343(c) of title 31, United States Code, for the purchase of any passenger motor vehicle (exclusive of buses, ambulances, law enforcement vehicles, protective vehicles, and undercover surveillance vehicles), is hereby fixed at $19,947 except station wagons for which the maximum shall be $19,997: Provided , That these limits may be exceeded by not to exceed $7,250 for police-type vehicles: Provided further , That the limits set forth in this section may not be exceeded by more than 5 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: Provided further , That the limits set forth in this section shall not apply to any vehicle that is a commercial item and which operates on alternative