Accuracy over time

Anything time-sensitive - figures, rules, and product details - ought to be verified where it originates, because a page written earlier can fall behind.

Links away from this site

External links point to services outside this site. Those destinations are controlled by their own operators and use their own terms.

Running the site

Pages can be revised, moved, or withdrawn at any time, and without warning.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

If this changes

This is not a permanent text. Check this page for the current position.

Raising a question

To ask about the terms of use, use [email protected].