Hi concordino
(did you fly the S20 with CRX, or where is your name from?)
try it with:
Flight Safety School
Le Bourget Cedex
Tel.: +33 1 4992 1919
(from source:
http://av-info.faa.gov/data/computer...ctivesites.pdf)
they provide the knowledge test, ask them if they can take the practical as well, I donīt know, if they do so..
Good luck on this..