| Segment | Ebene | Beschreibung | Opt/Mand. |
|---|
| UNH | 0 | A service segment starting and uniquely identifying a message. The message type code for the Reinsurance calculation message is RECALC. Note: Reinsurance calculation messages conforming to this document must contain the following data in segment UNH, composite S009: Data element 0065 RECALC D A UN | Mandatory |
| GEI | 0 | A segment to give processing indicators relating to the whole message. | Mandatory |
| SG1 | 0 | SG1 | Mandatory |
| NAD | 1 | A segment to specify the name and address and the related function of the party involved. | Mandatory |
| CTA | 1 | A segment to identify a person or a department to whom communication should be directed. | Optional |
| COM | 1 | A segment to identify a communication number of a department, or a person to whom communication should be directed. | Optional |
| RFF | 1 | A segment to specify the reference of the party identified in the leading NAD segment. | Optional |
| DTM | 0 | A segment to specify pertinent dates, times and periods relating to the whole message. | Mandatory |
| FTX | 0 | A segment to provide descriptive information regarding the message, the reinsurance contract or the underlying contract. | Optional |
| SG2 | 0 | SG2 | Optional |
| REL | 1 | A segment to identify the direct relationship between the data contained in the segments of group 2. | Mandatory |
| RFF | 1 | A segment to identify the section for which data are rendered. | Optional |
| GEI | 1 | A segment to specify indicators relating to the section. | Optional |
| CUX | 1 | A segment to specify the currency in which the amount of the MOA segment triggering group 4 will be expressed and used for calculation purposes. | Mandatory |
| DTM | 1 | A segment to specify relevant years or periods, if data can be grouped under this criterion. | Optional |
| QTY | 1 | A segment to allow the identification of any figure used in the calculation. | Optional |
| LOC | 1 | A segment to identify the geographical scope to which the section data pertains. | Optional |
| PCD | 1 | A segment to allow the identification of percentages used in the calculation. | Optional |
| FTX | 1 | A segment to specify non-standard section information. | Optional |
| SG3 | 1 | SG3 | Optional |
| ARD | 2 | A segment to report amounts by their function. | Mandatory |
| SG4 | 2 | SG4 | Mandatory |
| MOA | 3 | A segment to specify amounts that are used in the calculation. | Mandatory |
| GEI | 3 | A segment to specify indicators which define the method of processing the related amount. | Optional |
| PCD | 3 | A segment to specify the rate used for the calculation of the amount in the leading MOA segment, or to express the order percentage or the receiver's share percentage. | Optional |
| FTX | 3 | A segment to give the loss name or more information about the amount given in the leading MOA segment. | Optional |
| DTM | 3 | A segment to specify date, time or period relating to the amount given in the leading MOA segment. | Optional |
| SG5 | 3 | SG5 | Optional |
| RFF | 4 | A segment to specify references of the associated message or document. | Mandatory |
| DTM | 4 | A segment to give relevant date, time or period indications relating to the supported or supporting message or document. | Optional |
| COM | 4 | A segment to specify the means by which the supported message or document has been, or will be transmitted. | Optional |
| FTX | 4 | A segment to provide free text information regarding the document or message that is referenced. | Optional |
| SG6 | 3 | SG6 | Optional |
| CUX | 4 | A segment to specify the original currency and exchange rate used to convert the original amount (possibly given in the underneath MOA segment) into the one given in the leading MOA segment. | Mandatory |
| MOA | 4 | A segment to report the relevant monetary amount in the original currency. | Optional |
| AJT | 4 | A segment to identify the reason for an adjustment. | Mandatory |
| 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 |
