Section 7502(b) of this title, referred to in subsec. (a), was amended generally by Pub. L. 101–549, title I, § 102(b), Nov. 15, 1990, 104 Stat. 2412, and, as so amended, does not contain a par. (6). See section 7502(c)(5) of this title.

1990—Pub. L. 101–549, § 102(c)(1), made technical amendment to section catchline.

Pub. L. 101–549, § 102(c)(2), (8), designated existing provisions as subsec. (a), inserted heading, and substituted “(1) shall be federally enforceable” for “(1)(A) shall be legally binding” in last sentence.

Subsec. (a)(1). Pub. L. 101–549, § 102(c)(3), inserted at beginning “in accordance with regulations issued by the Administrator for the determination of baseline emissions in a manner consistent with the assumptions underlying the applicable implementation plan approved under section 7410 of this title and this part,”.

Subsec. (a)(1)(A). Pub. L. 101–549, § 102(c)(4), inserted “sufficient offsetting emissions reductions have been obtained, such that” after “to commence operation,” and substituted “(as determined in accordance with the regulations under this paragraph)” for “allowed under the applicable implementation plan”.

Subsec. (a)(1)(B). Pub. L. 101–549, § 102(c)(5), inserted at beginning “in the case of a new or modified major stationary source which is located in a zone (within the nonattainment area) identified by the Administrator, in consultation with the Secretary of Housing and Urban Development, as a zone to which economic development should be targeted,” and substituted “7502(c)” for “7502(b)”.

Subsec. (a)(4). Pub. L. 101–549, § 102(c)(6), inserted at beginning “the Administrator has not determined that”, substituted “not being adequately implemented” for “being carried out”, and substituted “; and” for period at end.

Subsec. (a)(5). Pub. L. 101–549, § 102(c)(7), added par. (5).

Subsec. (b). Pub. L. 101–549, § 102(c)(9), added subsec. (b).

Subsecs. (c) to (e). Pub. L. 101–549, § 102(c)(10), added subsecs. (c) to (e).

1977—Par. (1)(A). Pub. L. 95–190, § 14(a)(57), inserted “or modified” after “from new” and “applicable” before “implementation plan”, and substituted “source” for “facility” wherever appearing.

Par. (4). Pub. L. 95–190, § 14(a)(58), added par. (4).

Pub. L. 100–202, § 101(f) [title II], Dec. 22, 1987, 101 Stat. 1329–187, 1329–199, provided that: “No restriction or prohibition on construction, permitting, or funding under sections 110(a)(2)(I), 173(4), 176(a), 176(b), or 316 of the Clean Air Act [sections 7410(a)(2)(I), 7503(4), 7506(a), (b), 7616 of this title] shall be imposed or take effect during the period prior to August 31, 1988, by reason of (1) the failure of any nonattainment area to attain the national primary ambient air quality standard under the Clean Air Act [this chapter] for photochemical oxidants (ozone) or carbon monoxide (or both) by December 31, 1987, (2) the failure of any State to adopt and submit to the Administrator of the Environmental Protection Agency an implementation plan that meets the requirements of part D of title I of such Act [this part] and provides for attainment of such standards by December 31, 1987, (3) the failure of any State or designated local government to implement the applicable implementation plan, or (4) any combination of the foregoing. During such period and consistent with the preceding sentence, the issuance of a permit (including required offsets) under section 173 of such Act [this section] for the construction or modification of a source in a nonattainment area shall not be denied solely or partially by reason of the reference contained in section 171(l) of such Act [section 7501(1) of this title] to the applicable date established in section 172(a) [section 7502(a) of this title]. This subsection [probably means the first 3 sentences of this note] shall not apply to any restriction or prohibition in effect under sections 110(a)(2)(I), 173(4), 176(a), 176(b), or 316 of such Act prior to the enactment of this section [Dec. 22, 1987]. Prior to August 31, 1988, the Administrator of the Environmental Protection Agency shall evaluate air quality data and make determinations with respect to which areas throughout the nation have attained, or failed to attain, either or both of the national primary ambient air quality standards referred to in subsection (a) [probably means the first 3 sentences of this note] and shall take appropriate steps to designate those areas failing to attain either or both of such standards as nonattainment areas within the meaning of part D of title I of the Clean Air Act.”