Section 901 of title 2, referred to in text, was amended by Pub. L. 105–33, title X, § 10203(a)(4), Aug. 5, 1997, 111 Stat. 699, and by Pub. L. 112–25, title I, § 101, Aug. 2, 2011, 125 Stat. 241. As so amended, section 901(b)(2)(D) of title 2 no longer refers to “emergency requirements”.