| Segment | Ebene | Beschreibung | Opt/Mand. |
|---|
| UIH | 0 | A service segment starting and uniquely identifying a message. The message type code for the Timetable static data update - interactive message is TSDUPD. Note: Timetable static data update - interactive messages conforming to this document must contain the following data in segment UIH, composite S306: Data element 0065 TSDUPD D A UN | Mandatory |
| MSD | 0 | A segment to specify the type and business function of the message. | Mandatory |
| ORG | 0 | A segment to specify details related to the originator of the schedule update. | Optional |
| HDR | 0 | A segment to specify information applicable to the entire message. | Optional |
| IFT | 0 | A segment to provide free text information relating to the entire message. | Optional |
| RFR | 0 | A segment to specify a reference relating to the entire message. | Optional |
| CNY | 0 | A segment to provide country specific information as summer or wintertime transition date and currency, applying to the entire message. | Optional |
| TIZ | 0 | Segment providing information about the time zone applying to the entire message. | Optional |
| LNG | 0 | A segment to provide the language in which the language dependent objects are expressed in the entire message. | Optional |
| SG1 | 0 | SG1 | Optional |
| ERI | 1 | A segment to specify the type of application error. | Mandatory |
| RFR | 1 | A segment to reference the erroneous element. | Optional |
| IFT | 1 | A segment to provide text related to the error. | Optional |
| SG2 | 0 | SG2 | Optional |
| ALS | 1 | A segment to identify a location and its geographical co- ordinates. | Mandatory |
| ADS | 1 | A segment to provide address information related to the location. | Optional |
| POP | 1 | A segment to provide dates and times related to the location. | Optional |
| CON | 1 | A segment to provide contact information related to the location. | Optional |
| TRF | 1 | A segment to specify traffic restrictions relating to the location. | Optional |
| CNY | 1 | A segment to provide information related to the country of the location. | Optional |
| TIZ | 1 | A segment to provide information about the time zone wherein the location is situated. | Optional |
| LNG | 1 | A segment to specify a language related to the location. | Optional |
| SER | 1 | A segment to provide information about facilities available at the location. | Optional |
| IFT | 1 | A segment to provide free text information related to the location. | Optional |
| SG3 | 1 | SG3 | Optional |
| ASD | 2 | A segment to provide information about a service available at the location. | Mandatory |
| CON | 2 | A segment to provide contact information related to the service. | Optional |
| SG4 | 1 | SG4 | Optional |
| PRD | 2 | A segment specifying a connecting transport service available at the location. | Mandatory |
| SER | 2 | A segment providing facility information about the connecting transport service. | Optional |
| FRQ | 2 | A segment to provide frequency information relating to the connecting transport service. | Optional |
| IFT | 2 | A segment to provide free text information related to the connecting transport service. | Optional |
| POR | 2 | A segment specifying location (e.g. terminus) and corresponding time information relating to the connecting transport service. | Optional |
| SG5 | 1 | SG5 | Optional |
| RFR | 2 | A segment referring to a destination location to which transport services are available. | Mandatory |
| MES | 2 | This segment may be used to specify the transfer time and/or distance | Optional |
| RLS | 2 | A segment to specify the kind of relation existing between both parties. | Optional |
| SG6 | 2 | SG6 | Optional |
| PRD | 3 | A segment to provide information about a transport services to the destination location. | Mandatory |
| POP | 3 | A segment to provide time information related to the transport service. | Optional |
| SER | 3 | A segment to provide facility information related to the transport service. | Optional |
| SG7 | 0 | SG7 | Optional |
| NME | 1 | A segment to identify a party. | Mandatory |
| ADS | 1 | A segment to provide address information related to the party. | Optional |
| CON | 1 | A segment to provide contact information related to the party. | Optional |
| SG8 | 1 | SG8 | Optional |
| RFR | 2 | A segment referring to another related party. | Mandatory |
| RLS | 2 | A segment to specify the kind of relation existing between both parties. | Optional |
| UIT | 0 | A service segment ending a message, giving the total number of segments in the message (including the UIH & UIT) and the control reference number of the message. | Mandatory |
