Terms of Service

Use of this site is on the terms below. They exist to be clear about what published guidance is and what it is not.

Reuse of Content

The text and layout of this site belong to its publisher. A brief quotation with attribution and a link is fine, wholesale reproduction is not permitted.

Changes

Terms can change over time. Whatever appears here when a reader visits is the operative version.

Third Party Sites

Links to third party sites are provided where they are useful. The linked organization, its services and its accuracy are its own affair.

Limitation of Liability

Responsibility for how the information is used rests with the reader. No liability is accepted for loss or cost arising from acting on published guidance, to the fullest extent the law permits.

Currency of the Content

The material is prepared carefully and still cannot be warranted as complete or up to date. No guarantee is offered that every statement is correct or current: codes are amended, products are discontinued, and prices move.

Information, Not Professional Advice

The content is general information, not a professional opinion on any individual job. Where what is written here conflicts with what a qualified professional says about the actual job, the professional is right.