33 CFR 155.815
§ 155.815 Tank vessel integrity.
United States · 33 CFR — Navigation and Navigable Waters · Status: effective
Cite this
- Citation
- 33 CFR 155.815, § 155.815 Tank vessel integrity, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/152147
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Full text
(a) Except as provided in paragraph (b) of this section, a tank vessel underway or at anchor must have all closure mechanisms on the following openings properly closed:
(1) Expansion trunk hatches;
(2) Ullage openings;
(3) Sounding ports;
(4) Tank cleaning openings; and
(5) Any other tank vessel openings that maintain the seaworthy condition of the tank vessel and prevent the inadvertent release of oil or hazardous material in the event of a tank vessel accident.
(b) No person may open any of the closure mechanisms in paragraph (a) of this section while the tank vessel is underway or at anchor except when authorized and supervised by a licensed or credentialed officer or the tankerman required by 46 CFR 31.15-5(a).
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.