Pub. L. 85-584, tit. V, sec. 508

Sec. 508. (a) This Act shall take effect as of the first day of the first pay period which begins after January 1, 1958. (b) For the purpose of determining the amount of insurance for which an officer or member is eligible under the Federal Employees’ Group Life Insurance Act of 1954, all changes in rates of compensation or salary which result from the enactment of this Act shall be held to be effective as of the first day of the first pay period which begins on or after the date of such enactment.