Information may be afforded confidential treatment if the Chief Counsel determines that:

(a) The information is a trade secret;

(b) Public disclosure of the information would be likely to cause substantial harm to the competitive position of the submitter;

(c) Public disclosure of the information would be likely to impair NHTSA's ability to obtain necessary information in the future;

(d) The information was provided to NHTSA voluntarily and was not customarily released to the public by the person from whom it was obtained; or

(e) The information is otherwise entitled to protection, pursuant to 5 U.S.C. 552(b).