§ 3818.
This chapter shall become effective immediately; except that unless the President, or the Congress by concurrent resolution, declares a national emergency after June 24, 1948, no person shall be inducted or ordered into active service without his consent under this chapter within ninety days after June 24, 1948.
([June 24, 1948, ch. 625], title I, § 20, [62 Stat. 627]; [Sept. 27, 1950, ch. 1059, § 1(14)], [64 Stat. 1074]; [Aug. 10, 1956, ch. 1041, § 53], [70A Stat. 641].)