49 CFR § 512.11 - What if I need an extension of time?

---
identifier: "/us/cfr/t49/s512.11"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 512.11 - What if I need an extension of time?"
title_number: 49
title_name: "Transportation"
section_number: "512.11"
section_name: "What if I need an extension of time?"
chapter_name: "NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
part_number: "512"
part_name: "CONFIDENTIAL BUSINESS INFORMATION"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 322; 5 U.S.C. 552; 49 U.S.C. 30166; 49 U.S.C. 30167; 49 U.S.C. 32307; 49 U.S.C. 32505; 49 U.S.C. 32708; 49 U.S.C. 32910; 49 U.S.C. 33116; delegation of authority at 49 CFR 1.50."
regulatory_source: "68 FR 44228, July 28, 2003, unless otherwise noted."
cfr_part: "512"
---


# 512.11 What if I need an extension of time?

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.