A pre-award audit under this part includes--
(a) A Buy America certification as described in Sec. 663.25 of this part;
(b) A purchaser's requirements certification as described in Sec. 663.27 of this part; and
(c) Where appropriate, a manufacturer's Federal Motor Vehicle Safety certification information as described in Sec. 663.41 or Sec. 663.43 of this part.