33 CFR § 401.83
Reporting position at anchor, wharf, etc
August 2, 2023
§ 401.83 Reporting position at anchor, wharf, etc.
A vessel anchoring in a designated anchorage area, or elsewhere, and a vessel mooring at a wharf or dock, tying-up to a canal bank or being held on a canal bank in any manner shall immediately report its position to the traffic controller and it shall not resume its voyage without the traffic controller's permission.
[73 FR 9954, Feb. 25, 2008]