§ 668.
(Added [Pub. L. 99–433, title IV, § 401(a)], Oct. 1, 1986, [100 Stat. 1029]; amended [Pub. L. 100–180, div. A, title XIII], §§ 1302(c)(1), 1303(b), Dec. 4, 1987, [101 Stat. 1170], 1172; [Pub. L. 100–456, div. A, title V, § 519(b)], Sept. 29, 1988, [102 Stat. 1972]; [Pub. L. 108–375, div. A, title V, § 534(a)], (b), Oct. 28, 2004, [118 Stat. 1901]; [Pub. L. 109–364, div. A, title V, § 519(a)]–(c), Oct. 17, 2006, [120 Stat. 2190], 2191; [Pub. L. 111–383, div. A, title V, § 521], Jan. 7, 2011, [124 Stat. 4214]; [Pub. L. 112–239, div. A, title V, § 503], Jan. 2, 2013, [126 Stat. 1715]; [Pub. L. 114–92, div. A, title VIII, § 843], Nov. 25, 2015, [129 Stat. 915]; [Pub. L. 114–328, div. A, title V, § 510A], Dec. 23, 2016, [130 Stat. 2111].)