NIT League questions the right of carriers to immediately implement congestion surcharges.
No rapid conclusion is expected in labor contract talks that have been ongoing for six months.
The ILWU and ILA will likely have concurrent contract negotiations, making cargo diversion difficult, an NRF official said.
Employers "hopeful that this will allow us to move toward conclusion of an agreement in the near term."
Ports, airports and railways ready to implement winter contingency plans.
BlueWater Reporting shows 15 of 25 services have some sort of schedule disruption to Oakland, reflecting how delays in Los Angeles and Long Beach have impacted carrier schedules.