accessibility | privacy policy | terms of use



We are committed to making this website easy to use for as many people as possible. We want you to be able to access our information however you use the internet.

How to change the size of the text on this website

To change the text size:

  • Select Text Size from the View menu. (In some browsers Text Size may be called Text Zoom or Zoom)
  • Choose the size that you want from the Text Size menu.

Accessibility advice for Apple Mac users

The Apple Mac operating system includes many accessibility options including resizing text, text-to-speech and keyboard alternatives to mouse functions.

For full details visit the Apple website's section on accessibility.

Other ways of using PDF documents

This site uses PDF files to display certain documents. If your screen reader software (for example an audio-enabled web browser) is not compatible with the free Adobe Reader, Adobe provides a free online tool which converts the content of PDF files to a format which can be understood by most screen reader applications.
For more information, and full details of how to use this tool, visit: