A prior section 2339, added Pub. L. 114–328, div. A, title II, §217(a)(1), Dec. 23, 2016, 130 Stat. 2051, set the micro-purchase threshold for basic research programs and activities of the Department of Defense science and technology reinvention laboratories, prior to repeal by Pub. L. 115–232, div. A, title VIII, §821(c)(1), Aug. 13, 2018, 132 Stat. 1853.