2.2.2 [P3P1.0:2002] Section 2.3.2.1.2, Wildcards in policy reference files

C0002:

The specification states:

 Note that P3P user agents MAY ignore any URI pattern that does not conform to [URI].

All Document Modes (All Versions)

Invalid URIs are ignored.

C0003:

The specification states:

 The wildcard character MAY be used in the INCLUDE and EXCLUDE elements, in the 
 COOKIE-INCLUDE and COOKIE-EXCLUDE elements, and in the HINT element.

All Document Modes (All Versions)

Wildcards are supported only for the INCLUDE and EXCLUDE elements.