33 CFR § 159.51 - Purpose and scope.

---
identifier: "/us/cfr/t33/s159.51"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 159.51 - Purpose and scope."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "159.51"
section_name: "Purpose and scope."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "O"
subchapter_name: "POLLUTION"
part_number: "159"
part_name: "MARINE SANITATION DEVICES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1322(b)(1); 49 CFR 1.45(b). Subpart E also issued under authority of sec. 1(a)(4), Pub. L. 106-554, 114 Stat. 2763; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGD 73-83, 40 FR 4624, Jan. 30, 1975, unless otherwise noted."
cfr_part: "159"
---


# 159.51 Purpose and scope.

(a) This subpart prescribes regulations governing the design and construction of marine sanitation devices.

(b) Unless otherwise authorized by the Coast Guard each device for which certification under this part is requested must meet the requirements of this subpart.