91 STAT. 750
Ante, pp. 691-696.
49 USC 1601 note. 12 USC 1749aa note. 42 USC 7507. 42 USC 7543.
PUBLIC LAW 95-95—AUG. 7, 1977 are not being made (or, after July 1, 1982, in the case of an implementation plan revision required under section 172 to be submitted before July 1, 1982). " (b) In any area in which the State or, as the case may be, the general purpose local government or governments or any regional agency designated by such general purpose local governments for such purpose, is not implementing any requirement of an approved or promulgated plan under section 110, including any requirement for a revised implementation plan under this part, the Administrator shall not make any grants under this Act. "(c) No department, agency, or instrumentality of the Federal Government shall (1) engage in, (2) support in any way or provide financial assistance for, (3) license or permit, or (4) approve, any activity which does not conform to a plan after it has been approved or promulgated under section 110. No metropolitan planning organization designated under section 134 of title 23, United States Code, shall give its approval to any project, program, or plan which does not conform to a plan approved or promulgated under section 110. The assurance of conformity to such a plan shall be an affirmative responsibility of the head of such department, agency, or instrumentality. "(d) Each department, agency, or instrumentality of the Federal Government having authority to conduct or support any program with air-quality related transportation consequences shall give priority in the exercise of such authority, consistent with statutory requirements for allocation among States or other jurisdictions, to the implementation of those portions of plans prepared under this section to achieve and maintain the national primary ambient air quality standard. This paragraph extends to, but is not limited to, authority exercised under the Urban Mass Transportation Act, title 23 of the United States Code, and the Housing and Urban Development Act. "NEW MOTOR VEHICLE EMISSION STANDARDS IN NONATTAINMENT AREAS
"SEC. 177. Notwithstanding section 209(a), any State which has plan provisions approved under this part may adopt and enforce for any model year standards relating to control of emissions from new motor vehicles or new motor vehicle engines and take such other actions as are referred to in section 209(a) respecting such vehicles if— "(1) such standards are identical to the California standards for which a waiver has been granted for such model year, and "(2) California and such State adopt such standards at least two years before commencement of such model year (as determined by regulations of the Administrator), " G U r o A N C E DOCUMENTS
42 USC 7508. Ante, p. 689; Post, p. 790.
Implementation plan revision. 42 USC 7502' note. Post, p. 795. Ante, pp. 693, 694.
"SEC. 178. The Administrator shall issue guidance documents under section 108 for purposes of assisting States in implementing requirements of this part respecting the lowest achievable emission rate. Such a document shall be published not later than nine months after the date of enactment of this part and shall be revised at least every two years thereafter.". (c) Notwithstanding the requirements of section 406(d)(2) (relating to date required for submission of certain implementation plan revisions), for purposes of section 110(a)(2) of the Clean Air Act each State in which there is any nonattainment area (as defined in
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