A shipment number consists of a SCAC-code, the booking number and the sequence number of the shipment. Shipment numbers of ferry-operators have the following format:
| Company | SCAC | Example | Additional explanation |
| CLdN | CLVW | CLVW0012345678001 | “CLVW” & “00” & bookingsnummer (8 positions) & sequence number of the shipment |
| DFDS / KVSA | DFDS | DFDS123456780001 | “DFDS” & bookingsnummer (8 positions) & sequence number of the shipment (please note: extra 0) |
| P&O Ferries | PONF | PONFHU12345678001 | “PONF” & departure location (here: Hull) & bookingsnumber (8 positions) & sequence number of the shipment |
| Stena Line | STNL | STNL0012345678001 | “STNL” & “00” & bookingsnummer (8 positions) & sequence number of the shipment |