49 CFR § 554.1 - Scope.

---
identifier: "/us/cfr/t49/s554.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 554.1 - Scope."
title_number: 49
title_name: "Transportation"
section_number: "554.1"
section_name: "Scope."
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"
---


# 554.1 Scope.

This part establishes procedures for enforcing Federal motor vehicle safety standards and associated regulations, investigating possible safety-related defects, and making non-compliance and defect determinations.