Changing information

Anything time-sensitive - figures, rules, and product details - should be checked against a current primary source, since a page can become out of date after it is written.

Third-party websites

Some pages may link to separately operated websites. Those destinations are controlled by their own operators and use their own terms.

Updates and availability

The site is not guaranteed to be available at all times. The operator may edit, relocate, or delete pages.

Amendments

Updates appear on this page and are not sent out separately. The version in force is the one shown above.

Questions about these terms

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