BKG
Ocean freightBooking
The reservation of space and equipment with a carrier for a specific sailing.
In practice
A booking confirmation carries the booking number, vessel and voyage, cut-offs, and the empty pick-up depot. The booking number is needed for the trucker to collect the empty and for the terminal to accept the laden box.
Seen in the wild
BKG no. 123456789 confirmed on MV Ever Given V.0123E.