# OS MasterMap Sites Layer Downloads

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### Product download

This page provides downloadable files to support the product in use. To download the product itself, please visit the [OS Data Hub](https://osdatahub.os.uk/data).
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## Stylesheets <a href="#stylesheets" id="stylesheets"></a>

Predefined stylesheets for OS MasterMap Sites Layer are available for download from the [OS MasterMap Sites Layer Stylesheets GitHub repository](https://github.com/OrdnanceSurvey/OSMM-Sites-stylesheets). To download a ZIP containing all stylesheets, navigate to *Code* > *Download ZIP*.

## XML code lists

XML versiona of the OS MasterMap Sites Layer code lists are available below:

* [sitefunctions.xml](https://www.ordnancesurvey.co.uk/xml/codelists/sitefunctions.xml)
* [sitethemes.xml](https://www.ordnancesurvey.co.uk/xml/codelists/sitethemes.xml)

Code lists provide a controlled list and formal definition for values used in certain attributes of the product.

## XML schema

The XML schema for OS MasterMap Sites Layer is available from the [XML resources page of the Ordnance Survey website](https://www.ordnancesurvey.co.uk/xml/).

* [OS MasterMapSites.xsd](https://www.ordnancesurvey.co.uk/xml/schema/sites/v1/OSMasterMapSites.xsd)

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The XML File Repository License, covering the terms and conditions for the use of all Ordnance Survey XML schemas, is made available through the [Terms and Conditions page](/os-downloads/resources/site-resources/terms-and-conditions.md) in the Resources section.
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