Pub. L. 86-778, tit. V, pt. 3, sec. 532
american aircraft
american aircraft Sec. 532. (a) So much of section 3306(c) of the Internal Revenue Code of 1954 as precedes paragraph (1) thereof is amended by striking out “or (B) on or in connection with an American vessel” and all that follows down through the phrase “outside the United States,” and by inserting in lieu thereof the following: “or (B) on or in connection with an American vessel or American aircraft under a contract of service which is entered into within the United States or during the performance of which and while the employee is employed on the vessel or aircraft it touches at a port in the United States, if the employee is employed on and in connection with such vessel or aircraft when outside the United States,”. (b) Section 3306(c)(4) of such Code is amended to read as follows: “(4) service performed on or in connection with a vessel or aircraft not an American vessel or American aircraft, if the employee is employed on and in connection with such vessel or aircraft when outside the United States;”. (c) Section 3306(m) of such Code is amended— (1) by striking out the heading and inserting in lieu thereof the following: “(m) American Vessel and Aircraft.—”; and (2) by striking out the period at the end thereof and inserting in lieu thereof a semicolon and the following: “and the term ‘American aircraft’ means an aircraft registered under the laws of the United States.”