Pub. L. 91-258, tit. II, sec. 210
APPLICATION OF CERTAIN OTHER TAX PROVISIONS.
SEC. 210. APPLICATION OF CERTAIN OTHER TAX PROVISIONS. (a) Nothing in this title or in any other law of the United States shall prevent the application of sections 104 through 110 of title 4 of the United States Code to civil airports owned by the United States. (b) Subsection (a) shall not apply to— (1) sales or use taxes in respect of fuels for aircraft or in respect of other servicing of aircraft, or (2) taxes, fees, head charges, or other charges in respect of the landing or taking off of aircraft or aircraft passengers or freight. (c) In the case of any lease in effect on September 28, 1969, subsection (a) shall not authorize the levy or collection of any tax in respect of any transaction occurring, or any service performed, pursuant to such lease before the expiration of such lease (determined without regard to any renewal or extension of such lease made after September 28, 1969). For purposes of the preceding sentence, the term “lease” includes a contract.