The date of the enactment of the National Defense Authorization Act for Fiscal Year 2022, referred to in subsec. (a), is the date of enactment of Pub. L. 117–81, which was approved Dec. 27, 2021.

A prior section 6112, acts Aug. 10, 1956, ch. 1041, 70A Stat. 381; Oct. 9, 1962, Pub. L. 87–777, § 1, 76 Stat. 777, prohibited employment of officers of the Regular Navy and Regular Marine Corps, other than a retired officer, from being employed by any person furnishing naval supplies or war materials to the United States under pain of loss of payment from the United States during that employment, prior to repeal by Pub. L. 87–649, § 14c(36), Sept. 7, 1962, 76 Stat. 501, and by Pub. L. 89–718, § 75(6), (7), Nov. 2, 1966, 80 Stat. 1124.

Provisions similar to those in this section were contained in section 3121 of Pub. L. 117–81, which was set out as a note under section 2521 of Title 50, War and National Defense, prior to repeal by Pub. L. 119–60, § 3111(b)(10).