Below you find the link to the Official FIA Website where you find all Sporting regulations and Homologation info.

http://www.fia.com/en-GB/Pages/HomePage.aspx

KNAF Dutch Autosport federation ( Language: Dutch only )

KNAF Rallysport

Belgium Autospport federation ( Language Dutch / Frensh )

RACB Sport Belgium

OSK : Motorsport Federation of Austria

http://www.osk.or.at/content.php?p=1