Section, acts Jan. 27, 1948, ch. 36, title X, § 1001, 62 Stat. 13; Apr. 5, 1952, ch. 159, § 1, 66 Stat. 43; 1977 Reorg. Plan No. 2, § 7(a)(1), 42 F.R. 62461, 91 Stat. 1637; 1978 Reorg. Plan No. 2, § 102, eff. Jan. 1, 1979, 43 F.R. 36037, 92 Stat. 3783, provided for loyalty check of personnel. Pub. L. 87–256, § 111(a)(2), Sept. 21, 1961, 75 Stat. 538, previously repealed this section insofar as it related to persons employed or assigned to duties under the Mutual Educational and Cultural Exchange Act of 1961.

Repeal effective Oct. 1, 1979, see section 209 of Pub. L. 96–60, set out as an Effective Date of 1979 Amendment note under section 1471 of this title.