"(4)(A) No later than one year after the date of enactment of the
Clean Air Act Amendments of 1990, the Administrator shall promulgate
criteria and procedures for determining conformity (except in the case
of transportation plans, programs, and projects) of, and for keeping
the Administrator informed about, the activities referred to in
paragraph (1). No later than one year after such date of enactment,
the Administrator, with the concurrence of the Secretary of
Transportation, shall promulgate criteria and procedures for
demonstrating and assuring conformity in the case of transportation
plans, programs, and projects. A suit may be brought against the
Administrator and the Secretary of Transportation under section 304 to
compel promulgation of such criteria and procedures and the Federal
district court shall have jurisdiction to order such promulgation.
"(B) The procedures and criteria shall, at a minimum-
"(i) address the consultation procedures to be undertaken by
metropolitan planning organizations and the Secretary of
Transportation with State and local air quality
agencies and State departments of transportation before
such organizations and the Secretary make conformity
"(ii) address the appropriate frequency for making conformity
determinations, but in no case shall such determinations for
transportation plans and programs be less frequent than every
three years; and
"(iii) address how conformity determinations will be made with
respect to maintenance plans.
"(C) Such procedures shall also include a requirement that each
State shall submit to the Administrator and the Secretary of
Transportation within 24 months of such date of enactment, a revision
to its implementation plan that includes criteria and procedures for
assessing the conformity of any plan, program, or project subject to
the conformity requirements of this subsection.".
SEC. 102. GENERAL PROVISIONS FOR NONATTAINMENT AREAS.
(a) Definitions.-(1) Part D of title I of the Clean Air Act is
amended by inserting immediately after "Part D-Plan Requirements for
Nonattainment Areas" the following:
"Subpart 1-Nonattainment Areas in General
"Sec. 171. Definitions.
"Sec. 172. Nonattainment plan provisions.
"Sec. 173. Permit requirements.
"Sec. 174. Planning procedures.
"Sec. 175. Environmental Protection Agency grants.
"Sec. 176. Limitations on certain Federal assistance.
"Sec. 177. New motor vehicle emission standards in nonattainment
"Sec. 178. Guidance documents.".
(2) Section 171 of the Clean Air Act (42 U.S.C. 7501) is amended
(A) In the introductory language, strike out "and section
(B) Amend paragraph (1) to read as follows:
"(1) Reasonable further progress.-The term `reasonable