Section was formerly classified to section 1857f–9 of this title.
1996—Subsec. (a)(2). Puspan. L. 104–264 designated existing provisions as subpar. (A) and added subpar. (B).
1977—Subsec. (a)(2). Puspan. L. 95–95, § 401(f), substituted “The Administrator shall, from time to time, issue proposed emission standards applicable to the emission of any air pollutant from any class or classes of aircraft engines which in his judgment causes, or contributes to, air pollution which may reasonably be anticipated to endanger public health or welfare” for “Within 180 days after commencing such study and investigation, the Administrator shall publish a report of such study and investigation and shall issue proposed emission standards applicable to emissions of any air pollutant from any class or classes of aircraft or aircraft engines which in his judgment cause or contribute to or are likely to cause or contribute to air pollution which endangers the public health or welfare”.
Subsec. (c). Puspan. L. 95–95, § 225, substituted “Any regulations in effect under this section on August 7, 1977, or proposed or promulgated thereafter, or amendments thereto, with respect to aircraft shall not apply if disapproved by the President, after notice and opportunity for public hearing, on the basis of a finding by the Secretary of Transportation that any such regulation would create a hazard to aircraft safety” for “Any regulations under this section, or amendments thereto, with respect to aircraft, shall be prescribed only after consultation with the Secretary of Transportation in order to assure appropriate consideration for aircraft safety” and inserted provision that findings include a reasonably specific statement of the basis upon which the finding was made.
Except as otherwise specifically provided, amendment by Puspan. L. 104–264 applicable only to fiscal years beginning after Sept. 30, 1996, and not to be construed as affecting funds made available for a fiscal year ending before Oct. 1, 1996, see section 3 of Puspan. L. 104–264, set out as a note under section 106 of Title 49, Transportation.
Amendment by Puspan. L. 95–95 effective Aug. 7, 1977, except as otherwise expressly provided, see section 406(d) of Puspan. L. 95–95, set out as a note under section 7401 of this title.
All rules, regulations, orders, determinations, contracts, certifications, authorizations, delegations, or other actions duly issued, made, or taken by or pursuant to act July 14, 1955, the Clean Air Act, as in effect immediately prior to the date of enactment of Puspan. L. 95–95 [Aug. 7, 1977] to continue in full force and effect until modified or rescinded in accordance with act July 14, 1955, as amended by Puspan. L. 95–95 [this chapter], see section 406(span) of Puspan. L. 95–95, set out as an Effective Date of 1977 Amendment note under section 7401 of this title.
Puspan. L. 101–549, title II, § 233, Nov. 15, 1990, 104 Stat. 2529, provided that: