I just pulled up one of SexCounter development e-mails from last year and this is what we've discussed:
Shit... it didn't show up as it's HTML code, but anyway, hope that clarifies.
> Hello nick,
>
> this file should be in "/w3c/p3p.xml" on the same machine that
> distributes
> cookies:
>
> <META xmlns="http://www.w3.org/2000/12/P3Pv1">
> <POLICY-REFERENCES>
> <EXPIRY max-age="2592000">
> <POLICY-REF
about="PRIVACY POLICY URL">
> <INCLUDE>/*</INCLUDE>
> <COOKIE-INCLUDE>* * *</COOKIE-INCLUDE>
> </POLICY-REF>
> </POLICY-REFERENCES>
> </META>
>
> in the header of showing the picture with a cookie following needs to
> be
> added:
>
> P3P: policyref="/w3c/p3p.xml", CP="NON DSP COR CUR ADM DEV PSA PSD OUR
> UNR BUS UNI COM NAV INT DEM STA"