With all the talk about the faq in German, there is not one in English. Its short, and I will include a link here as well as posting it.



FAQs
Q: Do models chosen from Codex: Chaos Daemons and / or the White
Dwarf, August 2012, Codex: Chaos Daemons official update have the
Daemon special rule from the Warhammer 40,000 Rulebook, or do they
have the Daemon army special rule from Codex: Chaos Daemons?
(p27)

A: All models from Codex: Chaos Daemons and/or the White
Dwarf, August 2012, Codex: Daemons official update have the
Daemon army special rule listed in Codex: Chaos Daemons
with the addition of the Fear special rule from the Warhammer
40,000 rulebook and a 5+ invulnerable save.

http://www.games-workshop.com/MEDIA_CustomProductCatalog/m2750012a_Chaos_Daemons_v1.2.pdf