; or (B) employ other means acceptable to the Administrator to provide an equivalent level of fuel system crash resistance. (2) Covered rotorcraft defined In this subsection, the term covered rotorcraft means a rotorcraft not otherwise required to comply with section 27.952, section 27.963, and section 27.975, or section 29.952, section 29.963, and section 29.975 of title 14, Code of Federal Regulations as in effect on the date of enactment for which manufacture was completed, as determined by the Administrator, on or after the date that is 18 months after the date of enactment of this section. (b) Administrative provisions The Administrator shall— (1) expedite the certification and validation of United States and foreign type designs and retrofit kits that improve fuel system crashworthiness; and (2) not later than 180 days after the date of enactment of this section, and periodically thereafter, issue a bulletin to— (A) inform rotorcraft owners and operators of available modifications to improve fuel system crashworthiness