The Commissioners of the Postal Rate Commission shall serve for terms of 6 years except that—
(1) the terms of the Commissioners first taking office shall expire as designated by the President at the time of appointment, 1 at the end of 2 years, 2 at the end of 4 years, and 2 at the end of 6 years, following the appointment of the first of them; and
(2) any Commissioner appointed to fill a vacancy occurring before the expiration of the term for which his predecessor was appointed shall serve for the remainder of such term.
(Pub. L. 91–375, Aug. 12, 1970, 84 Stat. 759.)