Section, Pub. L. 101–624, title XVI, § 1675, Nov. 28, 1990, 104 Stat. 3777; Pub. L. 102–237, title IV, § 407(14), Dec. 13, 1991, 105 Stat. 1865; Pub. L. 104–127, title VIII, § 838, Apr. 4, 1996, 110 Stat. 1169, related to national centers for agricultural product quality research.