Regulations last checked for updates: Dec 20, 2025

Title 33 - Navigation and Navigable Waters last revised: Dec 12, 2025
§ 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.

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
source: CGD 73-83, 40 FR 4624, Jan. 30, 1975, unless otherwise noted.
cite as: 33 CFR 159.51