| Segment | Ebene | Beschreibung | Opt/Mand. |
| UNH | 0 | A service segment starting and uniquely identifying a message. The message type code for the Bayplan/stowage plan total numbers message is BAPLTE. Note: Bayplan/stowage plan total numbers messages conforming to this document must contain the following data in segment UNH, composite S009: Data element 0065 BAPLTE D B UN | Mandatory |
| BGM | 0 | A segment to indicate the beginning of the message and to transmit function, type and number of the message. | Mandatory |
| DTM | 0 | A segment to indicate date and time of the preparation of the message. | Mandatory |
| SG1 | 0 | SG1 | Mandatory |
| RFF | 1 | A segment to identify a reference which applies to the entire message, e.g. reference to previous message. | Mandatory |
| DTM | 1 | A segment to indicate date and time relating to the reference. | Optional |
| SG2 | 0 | SG2 | Optional |
| NAD | 1 | A segment to identify the liner service operating or responsible for a particular vessel/voyage. | Mandatory |
| SG3 | 1 | SG3 | Mandatory |
| CTA | 2 | A segment to identify a person or department within the party. | Mandatory |
| COM | 2 | A segment to identify a communication number of a person or department to whom communication should be directed. | Optional |
| SG4 | 0 | SG4 | Optional |
| TDT | 1 | A segment to identify a means of transport and discharge voyage number. | Mandatory |
| LOC | 1 | A segment to identify the locations to which the following information applies. | Mandatory |
| DTM | 1 | A segment to indicate date and time of events in local time, else the time zone specifier is to be used. | Mandatory |
| RFF | 1 | A segment to identify the loading voyage number. | Optional |
| FTX | 1 | A segment to transmit general information about vessel/voyage. | Optional |
| SG5 | 0 | SG5 | Optional |
| LOC | 1 | A segment to identify locations (ports) relevant to the equipment or goods carried. | Mandatory |
| GID | 1 | A segment to identify the number of packages of the goods. | Optional |
| SG6 | 1 | SG6 | Optional |
| EQD | 2 | A segment to identify the type of equipment to which the following totals apply. Only transport equipment size/type coded or plain language is used here further to identify the type of equipment. | Mandatory |
| EQN | 2 | A segment to specify the number of equipment units. | Optional |
| RFF | 2 | A segment to specify a reference number to equipment. | Optional |
| UNT | 0 | A service segment ending a message, giving the total number of segments in the message (including the UNH & UNT) and the control reference number of the message. | Mandatory |