| Segment | Ebene | Beschreibung | Opt/Mand. |
|---|
| UIH | 0 | A service segment starting and uniquely identifying a message. The message type code for the Travel, tourism and leisure information inquiry request - interactive message is TIQREQ. Note: Travel, tourism and leisure information inquiry request - interactive messages conforming to this document must contain the following data in segment UIH, composite S306: Data element 0065 TIQREQ D A UN | Mandatory |
| MSD | 0 | A segment identifying the industry type (i.e. air, car, train, accommodations, etc.) and business function of the message. | Optional |
| ORG | 0 | A segment providing data pertaining to the originator of the interactive request (i.e., travel agent identity and location and the commercial computer reservations system delivering the message). | Optional |
| PLI | 0 | A segment to specify the location by geographic area, reference point, or direction for which product information is requested. | Optional |
| PRD | 0 | The identification of a specific product or service for which information is requested. | Optional |
| SSR | 0 | A segment to indicate the special condition, equipment, or amenity for which information is requested. | Optional |
| TFF | 0 | A segment to specify a price range of the products or services requested. | Optional |
| ODS | 0 | A segment to indicate other types of information, such as services, policies, and facilities, required in the product information. | Optional |
| PMT | 0 | A segment to specify form of payment and credit card club membership information. | Optional |
| ITD | 0 | A segment to specify the type of information requested, the language the information should be returned in, and the format of the information. | Optional |
| ATR | 0 | A segment to indicate the attribute related to the product or service requested. | Optional |
| RTI | 0 | A segment to indicate the rate category for which product or service information is requested. | Optional |
| RTC | 0 | A segment to indicate the rate types for which product or service information is requested. | Optional |
| NUN | 0 | A segment to specify the number and type of travellers who will be using the product or service. | Optional |
| RUL | 0 | A segment to specify a rule or rule type for which information is requested. | Optional |
| TDI | 0 | A segment to identify traveller documents, such as passports or visas, for which information is requested. | Optional |
| ADS | 0 | A segment to identify a person's postal code for the purpose of filtering what information is returned. | Optional |
| CON | 0 | A segment to identify what type of contact information, such as fax or phone number, is requested for a property or location. | Optional |
| HDI | 0 | A segment to identify the type of hardware device that is being used to make the request and the device line number. | Optional |
| SG1 | 0 | SG1 | Optional |
| ALS | 1 | A segment to identify a station or terminal location. | Mandatory |
| ODS | 1 | A segment to identify the services and facilities for a specific location. | Optional |
| SG2 | 0 | SG2 | Optional |
| TVL | 1 | Information identifying the TT&L product or service (service provider, service location, date of service, service description, etc.). | Mandatory |
| ITM | 1 | A segment to reference a previously displayed schedule. | Optional |
| SG3 | 1 | SG3 | Optional |
| ALS | 2 | A segment to identify a station or terminal location. | Mandatory |
| DTI | 2 | A segment to specify any time information | Optional |
| PRD | 1 | The identification of a specific product or service for which information is requested. | Optional |
| ODS | 1 | A segment to identify the services and facilities for a specific location. | Optional |
| SSR | 1 | A segment to indicate the special condition, equipment, or amenity for a specific product or service. | Optional |
| ASD | 1 | The identification of a specific additional service for which information is requested. | Optional |
| SG4 | 0 | SG4 | Optional |
| CRI | 1 | A segment to identify the corporate affiliation and the membership number of a traveller. | Mandatory |
| DIS | 1 | A segment to specify discounts associated with a corporate affiliation. | Optional |
| NUN | 1 | A segment to specify the number of travellers and the ages related to the corporate affiliation. | Optional |
| TIF | 1 | A segment to identify the name of the traveller. | 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 |
