49 U.S. Code § 47171 - Expedited, coordinated environmental review process
 So in original. Probably should be “4321”.
The National Environmental Policy Act of 1969, referred to in subsecs. (a)(1), (b)(2)(B)(ii), and (l), is Pub. L. 91–190, Jan. 1, 1970, 83 Stat. 852, as amended, which is classified generally to chapter 55 (§ 4321 et seq.) of Title 42, The Public Health and Welfare. For complete classification of this Act to the Code, see Short Title note set out under section 4321 of Title 42 and Tables.
Executive Order No. 13274, referred to in subsec. (m), is set out as a note under section 301 of this title.
Subchapter applicable only to fiscal years beginning after Sept. 30, 2003, except as otherwise specifically provided, see section 3 of Pub. L. 108–176, set out an Effective Date of 2003 Amendment note under section 106 of this title.
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