; and (2) in paragraph (2)— (A) in subparagraph (A), by striking Federal agency and inserting covered Federal entity ; (B) in subparagraph (B), by striking agency each place it appears and inserting covered Federal entity ; and (C) by striking subparagraph (C). (b) Guidance Not later than 30 days after the date of the enactment of this section, the Administrator of the Environmental Protection Agency shall— (1) issue guidance identifying the makes and model numbers of vehicles that are low greenhouse gas emitting vehicles, as required by section 303(f)(3)(A) of the Energy Policy Act of 1992 ( 42 U.S.C. 13212(f)(3)(A) ); and (2) in issuing such guidance, utilize the definition of low greenhouse gas emitting vehicle in section 303(f)(1)(B) of such Act ( 42 U.S.C. 13212(f)(1)(B) ), as amended by subsection (a). (c) Effect on acquisitions The amendments in subsection (a) shall apply with respect to acquisitions made after the date on which guidance is issued pursuant to subsection (b).