This chapter shall be effective only during a national emergency declared by Congress or the President and for six months after the termination thereof or until such earlier time as Congress, by concurrent resolution, may designate.

(Pub. L. 85–804, § 4, formerly § 5, Aug. 28, 1958, 72 Stat. 973; renumbered § 4, Pub. L. 105–362, title IX, § 901(r)(1)(B), Nov. 10, 1998, 112 Stat. 3291.)