Act of Mar. 26, 1964, National Security Agency - Personnel Security Procedures, Pub. L. No. 88-290, Section 306(a), 78 Stat. 170.
The Act amended the 1959 NSA Act to provide explicitly that the authorities granted therein were to be exercised "without regard to the civil service laws." At that time, the civil service laws provided competitive-service employees with certain tenure rights, and the intended effect of the 1964 amendment was to ensure that NSA employees, other than preference-eligible veterans, would have no tenure rights in their employment.