49 CFR 512.2: Applicability.

(a) This part applies to all information submitted to NHTSA, except as provided in paragraph (b) of this section, for which a determination is sought that the material is entitled to confidential treatment under 5 U.S.C. 552(b), most often because it constitutes confidential business information as described in 5 U.S.C. 552(b)(4), and should be withheld from public disclosure.

(b) Information received as part of the procurement process is subject to the Federal Acquisition Regulation, 48 CFR Chapter 1, as well as this part. In any case of conflict between the Federal Acquisition Regulation and this part, the provisions of the Federal Acquisition Regulation prevail.