| Segment | Ebene | Beschreibung | Opt/Mand. |
|---|
| UNH | 0 | A service segment starting and uniquely identifying a message. The message type code for the Tank status report message is TANSTA. Note: Tank status report messages conforming to this document must contain the following data in segment UNH, composite S009: Data element 0065 TANSTA D A UN | Mandatory |
| BGM | 0 | A segment to indicate the beginning of a message and to transmit identifying number. | Mandatory |
| DTM | 0 | A segment to indicate a date and time applying to the whole message, such as: document or message date and or time | Mandatory |
| NAD | 0 | A segment to identify a party's name, address, and function, such as: message recipient message sender | Optional |
| SG1 | 0 | SG1 | Optional |
| RFF | 1 | A segment to specify a reference, such as: reference to previous message | Mandatory |
| DTM | 1 | A segment to indicate a date and or time related to the reference. | Optional |
| SG2 | 0 | SG2 | Optional |
| TDT | 1 | A segment to specify transport details for the main carriage, such as: discharge voyage number radio call sign of the vessel nationality of the vessel | Mandatory |
| LOC | 1 | A segment to specify either the place of departure or the place of arrival for the main carriage. | Mandatory |
| DTM | 1 | A segment to specify a date and or time related to the main carriage transport, such as: estimated date/time of departure estimated date/time of arrival | Mandatory |
| RFF | 1 | A segment to specify a reference related to the transport details, such as: loading voyage number (if different from the voyage number assigned by the carrier or his agent in the TDT-segment). | Optional |
| FTX | 1 | A segment to specify supplementary information related to the main carriage transport. | Optional |
| SG3 | 0 | SG3 | Optional |
| LOC | 1 | A segment to specify the location of a tank or deadweight item on the means of transport, such as: fore peak tank | Mandatory |
| MEA | 1 | A segment to provide a measurement related to the tank or deadweight item, such as: gross weight of tank contents volume of liquid in the tank specific gravity percentage full | Mandatory |
| DIM | 1 | A segment to specify dimensions of the deadweight item, such as: length expressed in 'longitudinal centre of gravity' width expressed in 'transverse centre of gravity (from centerline)' height expressed in 'vertical centre of gravity (from keel)' | Optional |
| FTX | 1 | A segment to describe the actual contents of tanks, such as lubricating oil, marine fuel oil, fresh water. | 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 |
