33 CFR 160.111 : Navigation And Navigable Waters (§ 1.01-1 To Parts 404-499) — (§ 125.01 To Parts 188-199) — Coast Guard, Department Of Homeland Security (Continued) (§ 125.01 To Parts 188-199) — Ports And Waterways Safety (§ 160.1 To § 169.245) — Ports And Waterways Safety - General (§ 160.1 To § 160.320) — Control Of Vessel And Facility Operations (§ 160.101 To § 160.115) — Special orders applying to vessel operations.

Each District Commander or Captain of the Port may order a vessel to operate or anchor in the manner directed when:

(a) The District Commander or Captain of the Port has reasonable cause to believe that the vessel is not in compliance with any regulation, law or treaty;

(b) The District Commander or Captain of the Port determines that the vessel does not satisfy the conditions for vessel operation and cargo transfers specified in § 160.113; or

(c) The District Commander or Captain of the Port has determined that such order is justified in the interest of safety by reason of weather, visibility, sea conditions, temporary port congestion, other temporary hazardous circumstances, or the condition of the vessel.