The US Coast Guard (USCG) has full discretion to demand costly security agreements from shipowners during criminal oil-dumping investigations that follow port-state-control (PSC) inspections, a federal judge in Washington DC has ruled.

The decision by US District Judge Ketanji Brown rejects an effort by four owners to seek a court declaration that the agency has been overstepping its authority by demanding a series of measures in exchange for allowing detained ships to sail on amid investigations into Marpol violations.

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