46 CFR § 58.20-1 - Scope.

---
identifier: "/us/cfr/t46/s58.20-1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 58.20-1 - Scope."
title_number: 46
title_name: "Shipping"
section_number: "58.20-1"
section_name: "Scope."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "F"
subchapter_name: "MARINE ENGINEERING"
part_number: "58"
part_name: "MAIN AND AUXILIARY MACHINERY AND RELATED SYSTEMS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "43 U.S.C. 1333; 46 U.S.C. 3306, 3703; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGFR 68-82, 33 FR 18878, Dec. 18, 1968, unless otherwise noted."
cfr_part: "58"
---


# 58.20-1 Scope.

(a) The regulations in this subpart apply to fixed refrigeration systems for air conditioning, refrigerated spaces, cargo spaces, and reliquefaction of low temperature cargo installed on vessels.

(b) The regulations in this subpart do not apply to small self-contained units.