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How cookies are used on this site

When we provide services, we want to make them easy, useful and reliable. Where services are delivered on the internet, this sometimes involves placing small amounts of information on your device, for example your computer or mobile phone. These include small files known as "cookies". We do not use these to identify you personally, or to hold any personal data.

These pieces of information are used to improve services for you through, for example:

You can easily manage these small files yourself if you know how. You can find guidance on managing cookies on the All About Cookies website - Opens in a new window.

Cookies used by this service

There are two types of cookie:

Persistent cookies remain on your computer for a specified time and so are saved to your computer's hard disk. We use persistent cookies to:

Session cookies are deleted when you close your browser and are usually not saved to your computer's hard disk. We use session cookies to:

Important information about this list of cookies

This list is not exhaustive. It will be updated as further information is gathered from companies and government departments that provide parts of this service

Cookies for maintaining your session

The following cookies are necessary so that we can provide you a joined-up session, know that you have logged-in (if applicable) and so that you do not have to re-enter information for every web page you request from our service.

Name: EMSSESSIONID
Purpose: To link your requests to information you may have previously provided
Typical content: qlt00j45tikm0kqnxh3hto55
Expires: At end of session (when you close your browser)

Cookies for measuring use of services

By understanding how people use our services we can improve the information and service provided. This ensures that the service is available when you want it and is fast. We use a number of different methods of gathering this data.

The following cookies assist us in understanding how people use this service.

Name: __utma
Purpose: Google Analytics - Identifying Unique Visitors
Typical content: 156927724.1225493287.1328722033.1328722033.1329311517.2
Expires: 2 years from set/update.

Name: __utmb
Purpose: Google Analytics - Determining Visitor Session
Typical content: 156927724.1.10.1329311517
Expires: 30 minutes from set/update.

Name: __utmz
Purpose: Google Analytics - Tracking Traffic Sources & Navigation
Typical content: 156927724.1328722033.1.1.utmcsr=t.co|utmccn=(referral)|utmcmd=referral|utmcct=/XWQW3R83
Expires: 6 months from set/update.