[Code of Federal Regulations] [Title 49, Volume 6] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR512.4] [Page 62] TITLE 49--TRANSPORTATION CHAPTER V--NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 512_CONFIDENTIAL BUSINESS INFORMATION--Table of Contents Subpart B_Submission Requirements Sec. 512.4 When requesting confidentiality, what should I submit? Any person submitting information to NHTSA, other than information in a class identified in Appendix C of this Part, and requesting that the information be withheld from public disclosure pursuant to 5 U.S.C. 552(b) shall submit the following: (a) The materials for which confidentiality is being requested, in conformance with Sec. Sec. 512.5, 512.6, and 512.7 of this part; (b) The Certificate, in the form set out in Appendix A to this part; (c) Supporting information, in conformance with Sec. 512.8; and (d) Any request for an extension of time, made in accordance with Sec. 512.11.