There are two forms to fill: one for internal use in this page and one (just below the form) at the link Registration and payment. Please fill both the forms. You are not registered until you fill the Registration and payment form.
Fees
Registration before April 13th: 100 euros (regular)/50euros (students)
Registration from April 13th to June 10th: 120 euros (regular)/70euros (students)
Registration from June 11th: 150 euros (regular)/100euros (students), only by cash at the registration desk.
The fees will cover the coffee break and the Lunch Buffet.