This is a very straightforward process. You don't have to pay yet. This will let us know how many people actually intend to come. You will be reminded when the billing system is ready to accept your payment. That should be in a few weeks time.The goal is to create an online (and paper) who's who for this YAPC::Europe. You can even give your Perlmonks id, and your information page will point back on your home node.