16 U.S. Code § 2403a - Environmental impact assessment
The requirements of this section, and of regulations promulgated under this section, shall not apply in cases of emergency relating to the safety of human life or of ships, aircraft, or equipment and facilities of high value, or the protection of the environment, which require an activity to be undertaken without fulfilling those requirements.
Notwithstanding any other provision of law, the requirements of this section shall constitute the sole and exclusive statutory obligations of the Federal agencies with regard to assessing the environmental impacts of proposed Federal activities occurring in Antarctica.
The provisions of this section requiring environmental impact assessments (including initial environmental evaluations and comprehensive environmental evaluations) shall not apply to Federal actions with respect to issuing permits under section 2404 of this title.
Whenever the Secretary of State makes a determination under paragraph (2) of subsection (b) of this section, or receives a draft comprehensive environmental evaluation in accordance with Annex I, Article 3(3) to the Protocol, the Secretary of State shall cause timely notice thereof to be published in the Federal Register.
The National Environmental Policy Act of 1969, referred to in subsec. (a)(1)(A), 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.