For a master bill of lading with multiple containersarriving via a Canadian First Port of Arrival, all of the containers areconsidered Arrived when the first container is Arrived/WACM by the railroad/terminal, as long as all containers have been Reported by the carrier CACM. AnIntegrated Import Declaration (IID) entry type can be submitted up to 90 daysprior to Arrival of the shipment. The Customs release status will flow when thefirst container is “Arrived” / WACM.