How to register ?

Go on "Registration" page, click on the button "Start a new registration" located in the left column, fill the personal data form and submit it, verify the registered information.

How to get an (acquitted) invoice ?

Choose "Registration" in the menu-bar, then log-in with your lastname and password, click on "Modify your registration", then "Get invoice ...", and, if needed, modify address and reference before to print the invoice.

How to get an invitation letter ?

Choose "Registration" in the menu-bar, then log-in with your lastname and password, click on "Modify your registration", then on "Request invitation letter". This letter will be sent to your mentionned address by the local organizers.