| CityName | City (e.g., Dublin), town, or postal station (i.e., a postal service territory, often used in a military address). |
| CountryName | Country name (e.g., Ireland).The name or code of a country (e.g. as used in an address or to specify citizenship of a traveller). |
| StateProv | State or Province name (e.g., Texas).State, province, or region name or code needed to identify location. |
| 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. |