final List<Tarification> Tarifications = gestionProcessusInscription
.getTarificationParCourse(model.getInscription().getCourse());
final DropDownChoice tarification = new DropDownChoice("tarification",
Tarifications, new TarificationChoiceRenderer());
tarification.setRequired(false);
autresInfosForm.add(tarification);
final TextField noPlaque = new TextField("noPlaque", Integer.class);