User Agreement

Last update - September 2026

Changing information

No claim of continuing accuracy is made. Where a decision turns on a current figure or rule, confirm it at its source.

Uptime and changes

The operator may revise or remove pages. No uninterrupted availability or particular outcome is promised.

Sites run by others

This site has no control over the pages it links to. Each one runs under terms of its own.

Keeping this current

This page may be revised. Whatever is published on this page is the version in force.

Raising a question

If you need to raise something about any part of these terms, write to [email protected].