A container or a shipments with ETA <= date today plus 14 21 days is one condition to be displayed under Deliveries To Book.
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Notes: Container that have been booked will fall into customer and destination tiles called "Deliveries Pending" and will fall off from customer tiles "Deliveries To Book"
Reference: Jira Legacy server System JIRA serverId b157ffa3-650f-3eac-ac6a-49d6a4f1db87 key DCM-1895