# dataentitycatalogue

This code list is used in association with the Cross Reference Feature attribute which is present within the Related Entity Related Component*.* The code list describes the key identifiers referenced by the attribute and their source datasets.

{% tabs %}
{% tab title="v2.0" %}
V2.0 of the code list was released on 30 September 2025.

### What's new?

Definitions have been added to all values in this code list for v2.0. The wording of most of the labels has been updated (for example, OS NGD BuildingPart is now Building Part).

| Label                              | Definition                                                                                          |
| ---------------------------------- | --------------------------------------------------------------------------------------------------- |
| Building Part                      | Building Part Feature Type in the OS NGD Buildings Theme.                                           |
| Channel Islands Street Identifier  | Street identifier for the Channel Islands.                                                          |
| Channel Islands Unique Identifier  | Unique identifier for the Channel Islands.                                                          |
| Compound Structure                 | Compound Structure Feature Type in the OS NGD Structures Theme.                                     |
| Isle Of Man Street Identifier      | Street identifier for the Isle Of Man.                                                              |
| Land                               | Land Feature Type in the OS NGD Land Theme.                                                         |
| Northern Ireland Street Identifier | Street identifier for Northern Ireland.                                                             |
| OSMM Road Link                     | Road Link Feature Type in the OS MasterMap Highways Network – Roads Product.                        |
| OSMM Topographic Area              | Topographic Area Feature Type in the OS MasterMap Topography Layer Product.                         |
| Parish Or Community                | Parish Or Community Feature Type in the OS NGD Administrative and Statistical Units Theme.          |
| Rail                               | Rail Feature Type in the OS NGD Transport Theme.                                                    |
| Road Link                          | Road Link Feature Type in the OS NGD Transport Theme.                                               |
| Road Track Or Path                 | Road Track Or Path Feature Type in the OS NGD Transport Theme.                                      |
| Structure                          | Structure Feature Type in the OS NGD Structures Theme.                                              |
| VOA Council Tax                    | Valuation Office Agency (VOA) Council Tax Assessment Unique Address Reference Number (UARN).        |
| VOA Non Domestic Rates             | Valuation Office Agency (VOA) Non-domestic Rates Assessment Unique Address Reference Number (UARN). |
| Ward                               | Ward Feature Type in the OS NGD Administrative and Statistical Units Theme.                         |
| Water                              | Water Feature Type in the OS NGD Water Theme.                                                       |
| {% endtab %}                       |                                                                                                     |

{% tab title="v1.0" %}
V1.0 of the code list was released on 02 November 2022.

| Label                              | Definition               |
| ---------------------------------- | ------------------------ |
| OS NGD BuildingPart                | No definition available. |
| OS NGD CompoundStructure           | No definition available. |
| OS NGD Land                        | No definition available. |
| OS NGD ParishOrCommunity           | No definition available. |
| OS NGD Rail                        | No definition available. |
| OS NGD RoadLink                    | No definition available. |
| OS NGD RoadTrackOrPath             | No definition available. |
| OS NGD Structure                   | No definition available. |
| OS NGD Water                       | No definition available. |
| OS NGD Ward                        | No definition available. |
| OSMM RoadLink                      | No definition available. |
| OSMM TopographicArea               | No definition available. |
| VOA CouncilTax                     | No definition available. |
| VOA NonDomesticRates               | No definition available. |
| Channel Islands Unique Identifier  | No definition available. |
| Channel Islands Street Identifier  | No definition available. |
| Northern Ireland Street Identifier | No definition available. |
| Isle of Man Street Identifier      | No definition available. |
| {% endtab %}                       |                          |
| {% endtabs %}                      |                          |