PUC §21684: (a) No payment shall be made to a public entity pursuant to this article unless the public entity has established a special aviation fund in which all payments received by a public entity under this a

(a) No payment shall be made to a public entity pursuant to this article unless the public entity has established a special aviation fund in which all payments received by a public entity under this article shall be deposited for expenditure solely for airport and aviation purposes. No payment shall be made to a public entity for a project pursuant to Section 21683.2 unless the public entity deposits in its special aviation fund a sum from other than state or federal sources, established annually by the commission at not less than 10 percent nor more than 50 percent of the nonfederal portion of the project. Notwithstanding the provisions of this subdivision requiring matching funds, the department shall pay to each public entity owning and operating an airport or airports the annual amount that is in accordance with Section 21682. (b) No payment shall be made for any airport to the University of California pursuant to this article unless the university has established a special aviation fund in which all payments received by the university under this article shall be deposited for expenditure solely for airport and aviation purposes. No payment shall be made for any airport to the University of California pursuant to Section 21683.2 unless the university deposits in its special aviation fund each year, for expenditure solely for airport and aviation purposes, a sum from nonstate or nonfederal funds based on the rate established annually by the commission pursuant to subdivision (a), or unless a city located within 10 miles of the airport or the county within which the airport is located pays to the university a sum based on the rate established annually by the commission pursuant to subdivision (a). However, any sums so deposited by the university or paid by the city or county may be considered jointly as meeting the requirements of this section. The payments received from a city or county pursuant to these sections are to be expended solely for the airport and for aviation purposes related to such airport. All payments received by the university shall be deposited in its special aviation fund.