 DriverType | Driver category. |
| MultimodalOffer | Multimodal offer influencers.Traveler and trip information used for targeted multi-modal offers. |
| RateQualifier | Rate qualifiers and promotions. |
| RateRange | Minimum and maximum rate range. |
| SpecialEquipPrefs | Special equipment preferences. |
| TPA_Extensions | A placeholder in the schema to allow for additional elements and attributes to be included per Trading Partner Agreement (TPA).Allows extensions to be added to the OpenTravel specification per trading partner agreement. |
| VehPrefs | Vehicle preferences. |
 VehRentalCore | Core information.The VehicleRentalCoreType complex type identifies the data that is common, or core, to almost every transaction associated with the rental of a vehicle. |
| VendorPrefs | Vendor preferences. |