49 CFR § 554.3 - Application.

---
identifier: "/us/cfr/t49/s554.3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 554.3 - Application."
title_number: 49
title_name: "Transportation"
section_number: "554.3"
section_name: "Application."
chapter_name: "NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
part_number: "554"
part_name: "STANDARDS ENFORCEMENT AND DEFECTS INVESTIGATION"
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. 30102-103, 30111-112, 30117-121, 30162, 30165-67; delegation of authority at 49 CFR 1.50."
regulatory_source: "45 FR 10797, Feb. 19, 1980, unless otherwise noted."
cfr_part: "554"
---


# 554.3 Application.

This part applies to actions, investigations, and defect and noncompliance decisions of the National Highway traffic Safety Administration under 49 U.S.C. 30116, 30117, 30118, 30120 and 30165.

[60 FR 17267, Apr. 5, 1995]