kerosene which is removed from any refinery or terminal directly into the fuel tank of an aircraft for use in commercial aviation by a person registered for such use under section 4101, the rate of tax under subparagraph (A)(iv) shall be 4.4 cents per gallon. . (3) Refueller trucks, tankers, and tank wagons Section 4081(a)(3) of such Code is amended— (A) by inserting a secured area of before an airport in subparagraph (A)(i)