<book
  xmlns:its="http://www.w3.org/2005/11/its" 
  its:version="2.0">
 <info>
  <its:rules version="2.0">
   <its:localeFilterRule selector="//legalnotice[@role='Canada']" localeFilterList="en-CA, fr-CA"/>
  </its:rules>
  <legalnotice role="Canada">
   <para>This legal notice is only for Canadian locales.</para>
  </legalnotice>
 </info>
</book>