Accuracy and changes

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

Pages can be revised, moved, or withdrawn at any time, and without warning. Nothing here promises continuous availability or any particular result.

Sites run by others

Whoever runs that service sets the terms that apply there.

Amendments

If any of this changes, the new wording replaces what came before once it is on this page.

Raising a question

Write to [email protected] if you have a question about these terms.