; and (ii) provided directly, or contracted for, by the Federal Aviation Administration. (B) Air traffic services user The term air traffic services user means any individual or entity using air traffic services provided directly, or contracted for, by the Federal Aviation Administration within United States airspace or international airspace delegated to the United States. . 537. Agency procurement reporting requirements Section 40110(d) of title 49, United States Code, is amended by adding at the end the following: (5) Annual report on the purchase of foreign manufactured articles (A) Report Not later than 90 days after the end of the fiscal year, the Secretary of Transportation shall submit a report to Congress on the dollar amount of the acquisitions made by the agency from entities that manufacture the articles, materials, or supplies outside of the United States in such fiscal year. (B) Contents The report required by subparagraph (A) shall separately indicate— (i) the dollar value of any articles, materials, or supplies purchased that were manufactured outside of the United States; and (ii) a summary of the total procurement funds spent on goods manufactured in the United States versus funds spent on goods manufactured outside of the United States. (C) Availability of report The Secretary shall make the report under subparagraph (A) publicly available on the agency’s website not later than 30 days after submission to Congress. . 538. Zero-emission vehicles and technology (a) Passenger facility charge eligibility Section 40117(a)(3) of title 49, United States Code, is amended by adding at the end the following: (H) A project for— (i) converting or retrofitting vehicles and ground support equipment into eligible zero-emission vehicles and equipment (as defined in section 47102)