From W3C Wiki
Conformance Requirements definition in the QA Glossary?
XSLT to extract them
Example of extraction of Conformance Requirements, with an XSLT because it has been edited with a specific markup.
<div class="CP"></div> : for the title of the CheckPoint <div class="TA"></div> : for the title of the TestableAssertion
Though we may make it more generic for things which are not organized as guidelines.