PUBLIC LAW 105-178—JUNE 9, 1998 112 STAT. 343 (3) in paragraph (3) by striking "in an urbanized area" and all that follows through "of the urbanized area" and inserting "within an existing metropolitan planning area only if the chief executive officer of the State and the existing metropolitan organization determine that the size and complexity of the existing metropolitan planning area"; and (4) in paragraph (5)— (A) in subparagraph (A)— (i) by striking "representing" and inserting "that together represent"; and (ii) by striking "as defined by the Secretary of Commerce)" and inserting "or cities, as defined by the Bureau of the Census)"; (B) in subparagraph (B) by striking "as defined by the Secretary of Commerce)" and inserting "or cities, as defined by the Bureau of the Census)"; and (C) by adding at the end the following: "(D) Designations of metropolitan planning organizations, whether made under this section or under any other provision of law, shall remain in effect until redesignation under this paragraph.". (c) METROPOLITAN AREA BOUNDARIES. —Section 5303(d) is amended— (1) in the subsection heading by inserting "PLANNING" before "AREA"; (2) in the first sentence— (A) by striking "To carry out" and inserting the following: ti "(1) IN GENERAL. —TO carry out"; and (B) by inserting "planning" before "area"; (3) by striking the second sentence and all that follows and inserting the following: "(2) INCLUDED AREA.—Each metropolitan planning area— "(A) shall encompass at least the existing urbanized area and the contiguous area expected to become urbanized within a 20-year forecast period; and "(B) may encompass the entire metropolitan statistical area or consolidated metropolitan statistical area, as defined by the Bureau of the Census. "(3) EXISTING METROPOLITAN PLANNING AREAS IN NON- ATTAINMENT.—Notwithstanding paragraph (2), in the case of an urbanized area designated as a nonattainment area for ozone or carbon monoxide under the Clean Air Act (42 U.S.C. 7401 et seq.), the boundaries of the metropolitan planning area in existence as of the date of enactment of this paragraph shall be retained, except that the boundaries may be adjusted by agreement of the chief executive officer of the State and any affected metropolitan planning organizations, in the manner described in subsection (c)(5). "(4) NEW METROPOLITAN PLANNING AREAS IN NONATTAIN- MENT.— In the case of an urbanized area designated after the date of enactment of this paragraph as a nonattainment area for ozone or carbon monoxide under the Clean Air Act, the boundaries of the metropolitan planning area— «- "(A) shall be established in the manner described in subsection (c)(1);
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