Pub. L. 84-68, tit. V, sec. 504
prohibition on reduction of former compensation
prohibition on reduction of former compensation Sec. 504. (a) Nothing in this Act shall be deemed to reduce the per annum or hourly basic compensation of any employee on the rolls on the effective date of the Postal Field Service Schedule, the Rural Carrier Schedule, or Fourth-Class Office Schedule, to an amount less than his basic compensation immediately prior to adjustment to such schedules. (b) For the purposes of this section, “basic compensation” includes basic compensation under the (Classification Act of 1949.