Scope of what is published

Treat what follows as background reading rather than a recommendation. For a decision with real consequences, a qualified adviser is the right source.

Accuracy and currency

An error can survive review, and no page covers everything. A decision made on the strength of this material remains the reader's own.

Other websites

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Updates to this notice

Nothing here is fixed for ever. Check this page for the current position.

How to reach us

For anything to do with a point covered on these pages, the address to use is [email protected].