46 CFR § 164.023-1 - Scope.

---
identifier: "/us/cfr/t46/s164.023-1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 164.023-1 - Scope."
title_number: 46
title_name: "Shipping"
section_number: "164.023-1"
section_name: "Scope."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "Q"
subchapter_name: "EQUIPMENT, CONSTRUCTION, AND MATERIALS: SPECIFICATIONS AND APPROVAL"
part_number: "164"
part_name: "MATERIALS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3306, 3703, 4302; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation 00170.1, Revision No. 01.4."
cfr_part: "164"
---


# 164.023-1 Scope.

This subpart contains performance requirements, acceptance tests, and production testing and inspection requirements for thread used in the construction of personal flotation devices (PFDs) approved under part 160 of this subchapter. Manufacturers must also comply with the requirements of subpart 164.019 of this chapter.