49 C.F.R. § 512.11 What if I need an extension of time?
Title 49 - Transportation
If a person is unable to submit the necessary information required under §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.
Title 49: Transportation
PART 512—CONFIDENTIAL BUSINESS INFORMATION
Subpart C—Additional Requirements
§ 512.11 What if I need an extension of time?