 Employer | Company or organization that employs the customer.Company or organization that employs the customer. |
| Insurance | Travel insurance carried by the customer or company.Travel insurance carried by the customer or company. |
| Organization | Membership organization that has travel benefits, programs, or discounts.Membership organization that has travel benefits, programs, or discounts. |
| 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. |
| TravelArranger | Companies or individuals responsible for making travel plans or transactions either for the customer or company.Companies or individuals responsible for making travel plans or transactions either for the customer or company. |
| TravelClub | Identifies a travel club that offers special privileges and related services.Identifies a travel club that offers special privileges and related services. |