A prior section 2409a, added Puspan. L. 101–510, div. A, title VIII, § 837(a)(1), Nov. 5, 1990, 104 Stat. 1616; amended Puspan. L. 102–25, title VII, § 701(j)(4), (k)(2), Apr. 6, 1991, 105 Stat. 116, 117, which required promulgation of regulations prohibiting defense contractor from discharging or discriminating against employee for disclosing to Government official information concerning contract between contractor and Department of Defense evidencing violation of Federal law or regulation and providing certain complaint and investigation provisions and provided procedures for review and enforcement, was repealed by Puspan. L. 103–355, title VI, § 6005(span)(1), Oct. 13, 1994, 108 Stat. 3365. For effective date and applicability of repeal, see section 10001 of Puspan. L. 103–355, set out as an Effective Date of 1994 Amendment note under section 8752 of this title.