DGAC
From memory it is the DGAC that sort you out with a conversion of type (PPL).
I had a CPL at the time and did not have too much trouble in getting checked out by the aeroclub (although you will need to know a little bit of french to get by).... it is a pricey part of the world but truly magnifique....
The DGAC is located on the RPT side of the airport to the north by about 300-400 meters.... Be sure to take all your paperwork with you - the french love that stuff...
There are a couple of Kiwi-Aus guys there who are bi-citizens with a 44 and a GA8... there is also a skydiving group with a 210 too....
I have lost contact with a lot of the people there, but it is surely some good times.... maybe when I make a bit more money and get out of GA I will go back for the pleasure again.
Best of luck // Bon Chance