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Move comes as ILWU, PMA talks enter 10th month.
Ports, airports and railways ready to implement winter contingency plans.
Steel imports in the U.S. fell 2 percent to 3.62 million net tons in December, marking the second straight monthly decrease.
The International Association of Classifications Societies said it would continue to study the report and the will finalized the requirements soon.
The federal agency alleges shipments did not include relevant documents and were improperly packaged and labeled.
Violations outlined in the report include copyright piracy and trademark counterfeiting.