Pub. L. 82-150, tit. II, sec. 202

Sec. 202. The Chief of Staff shall be appointed by the President, by and with the advice and consent of the Senate, from the general officers of the Air Force, to serve during the pleasure of the President, but no person shall serve as Chief of Staff for a term of more than four years unless reappointed by the President, by and with the advice and consent of the Senate. The Chief of Stan, while holding office as such, shall have the grade of general, without vacation of his permanent grade in the Air Force, and shall take rank as prescribed by law. He shall receive the compensation prescribed by law and shall be counted as one of the officers authorized to be serving in grade above lieutenant general under the provisions of the Officer Personnel Act of 1947 (61 Stat. 886), as amended.