Track & Trace Export will be discontinued soon. Read the article Differences in functionality between Notification Export Documentation, Track & Trace Export and Cargo Controller Export to find out which service best suits your situation.
When the status under Document is green, the pre-notification has been submitted. You can also see this by hovering over the i in the main screen.
The yellow status next to Boeking indicates that the pre-notification has been submitted, but there is not yet a terminal that has indicated it wants to receive the pre-notification.
Part of