49 CFR §512.11
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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.