| Segment | Ebene | Beschreibung | Opt/Mand. |
|---|
| UNH | 0 | A service segment starting and uniquely identifying a message. The message type code for the Waste disposal information message is WASDIS. Note: Waste disposal information messages conforming to this document must contain the following data in segment UNH, composite S009: Data element 0065 WASDIS D A UN | Mandatory |
| BGM | 0 | A segment to indicate the beginning of a message and to transmit the identifying number. | Mandatory |
| DTM | 0 | A segment to provide the date and time of the message. | Optional |
| SG1 | 0 | SG1 | Optional |
| RFF | 1 | A segment to specify a reference, e.g. reference to previous message. | Mandatory |
| DTM | 1 | A segment to indicate a date and time related to the reference. | Optional |
| SG2 | 0 | SG2 | Optional |
| LOC | 1 | A segment to specify the place where the means of transport has been inspected. | Mandatory |
| DTM | 1 | A segment to indicate the date and time of the inspection. | Optional |
| GOR | 1 | A segment to indicate the government agency involved (e.g. Maritime pollution inspection agency), the government involvement (e.g. an indication that a certain procedure is completed or required) and the government procedure (e.g. to indicate that charge of waste is required). | Optional |
| SG3 | 0 | SG3 | Optional |
| TDT | 1 | A segment to identify the means of transport (e.g. by Lloyd's Register number of a vessel, or by the license plate number of a truck) and the type of the means of transport. | Mandatory |
| DTM | 1 | A segment to indicate the date and time of departure in the place or port of call. | Optional |
| LOC | 1 | A segment to indicate a location relating to the means of transport, such as: - place or port of departure - next place or port of call. | Optional |
| RFF | 1 | A segment to specify a reference as an additional identification of the means of transport, e.g. radio call sign of a vessel. | Optional |
| MEA | 1 | A segment to specify a measurement of the means of transport, e.g. gross tonnage (of a vessel). | Optional |
| FTX | 1 | A segment used for free text information, in coded or clear form. | Optional |
| QTY | 1 | A segment to indicate quantities related to the means of transport. | Optional |
| SG4 | 0 | SG4 | Optional |
| NAD | 1 | A segment to identify a party's name, address and function from which further information can be obtained (e.g. port authority, harbour master). | Mandatory |
| SG5 | 1 | SG5 | 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 the contact to whom communication should be directed. | Optional |
| SG6 | 0 | SG6 | Optional |
| DGS | 1 | A segment to specify the type of marine pollutant and its subdivision according to the MARPOL regulation (i.e. Maritime Pollution Regulation). | Mandatory |
| MEA | 1 | A segment to specify the net weight of waste to be discharged, for the MARPOL type and subdivision of goods as indicated in DGS. | Optional |
| SGP | 1 | A segment to indicate the equipment in which the dangerous goods are loaded. | Optional |
| FTX | 1 | A segment used for free text information, in coded or clear form related to the waste and cargo residues. | Optional |
| LOC | 1 | A segment to indicate locations relating to the waste and cargo residues. | Optional |
| DTM | 1 | A segment to indicate dates relating to the waste and cargo residues. | Optional |
| NAD | 1 | A segment to identify a party's name and address related to the waste. | 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 |
