206.9875 United States government exempt.—Aviation fuel purchased by the United States or any department or agency of the United States is exempt from the tax imposed by this part when used in governmental aircraft. Any dealer of aviation fuel is entitled to a refund of any tax he or she has paid upon any aviation fuel purchased under such exemption.History.—s. 82, ch. 87-99; s. 1089, ch. 95-147.