Well, for new applicants they have to go through the Swedish Internet Foundation testing.<p><a href="https:&#x2F;&#x2F;www.iis.se&#x2F;vad-vi-gor&#x2F;pdt&#x2F;#PDT_eng" rel="nofollow">https:&#x2F;&#x2F;www.iis.se&#x2F;vad-vi-gor&#x2F;pdt&#x2F;#PDT_eng</a><p>Disclaimer: I work for the Internet foundation in Sweden.