; (bb) for which the Administrator has approved a demonstration of attainment for ozone under section 179B(b); or (cc) that is treated by the Administrator as a rural transport area (within the meaning of subsection (h)(2)). . (c) Rural transport areas Section 182(h) of the Clean Air Act ( 42 U.S.C. 7511a(h) ) is amended— (1) in paragraph (1), by striking does not include and all that follows through , which area ; and (2) by adding at the end the following: (3) Timeline Not later than 180 days after the date on which the Administrator receives a demonstration submitted by a State to secure treatment by the Administrator of an ozone nonattainment area in the State as a rural transport area (within the meaning of paragraph (2)), the Administrator shall— (A) approve or disapprove the demonstration; and (B) make, or decline to make, a finding under paragraph (2). .