[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: 49CFR512.11] [Page 63] TITLE 49--TRANSPORTATION CHAPTER V--NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 512_CONFIDENTIAL BUSINESS INFORMATION--Table of Contents Subpart C_Additional Requirements Sec. 512.11 What if I need an extension of time? If a person is unable to submit the necessary information required under Sec. 512.4 at the time the claimed confidential information is submitted to NHTSA, then that person may request an extension of time. Any request for an extension shall explain the reason for the extension of time and the length of time requested.