The funds apportioned under 49 U.S.C. 47114 to a public agency for a specific primary commercial service airport that it controls are reduced if—

(a) Such airport enplanes 0.25 percent or more of the total annual enplanements in the U.S., and

(b) The public agency imposes a PFC at such airport.

[Doc. No. 26385, 56 FR 24278, May 29, 1991, as amended by Amdt. 158-2, 65 FR 34543, May 30, 2000]