Thanks for your answers !
I read the knowledge in french but didn't find any answer about this ... but it is good to know that I can have some informations in french too, can be usefull for other questions.
Lindal you were right, I was finally able to process till 999 usd ! (I asked for about 700 in september, but they have wait 5 days to do it the 1st of october grrr)
Thanks again both to take time to help me 🙂