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The port has expanded use of Portsmouth Marine Terminal and increased chassis supply.
The commission, created to fight corruption and regulate hiring at the ports, said the legislation is unconstitutional.
The port also cut free time for export loads at its VIG terminal to ease the cargo backlog.
The German ocean carrier said its financial results were impacted by costs from merger with Chilean liner CSAV.
ConAgra and Lululemon said they expect shipment delays for several more months as a result of West Coast port congestion.
The new container service will connect ports in China, Taiwan and South Korea with Mexico, Colombia, Peru and Chile.