| id | No | string | Unique id for inter-element referencing |
| extension | No | Extension[] | Additional content defined by implementations |
| use | No | code | home / work / temp / old / billing - purpose of this address |
| type | No | code | postal / physical / both |
| text | No | string | Text representation of the address |
| line | No | string[] | Street name, number, direction & P.O. Box etc. |
| city | No | string | Name of city, town etc. |
| district | No | string | District name (aka county) |
| state | No | string | Sub-unit of country (abbreviations ok) |
| postalCode | No | string | Postal code for area |
| country | No | string | Country (e.g. can be ISO 3166 2 or 3 letter code) |
| period | No | Period | Time period when address was/is in use |
