diff --git a/aleksis/apps/paweljong/forms.py b/aleksis/apps/paweljong/forms.py
index 2ae4ed7079c7ad5da33e6baa06fc298ac4f50719..e9c98a2f1249aa9e81609a3f252a259772f185c2 100644
--- a/aleksis/apps/paweljong/forms.py
+++ b/aleksis/apps/paweljong/forms.py
@@ -248,7 +248,7 @@ class RegisterEventContactDetails(ExtensibleForm):
 
     email = forms.EmailField(
         label=_("Email address"),
-        help_text=_("Please use your perosnal e-mail address here, which you will check "
+        help_text=_("Please use your personal e-mail address here, which you will check "
                     "personally. Important information will always be sent to your parents "
                     "as well. Do not use an e-mail address owned by your parents here."),
     )
@@ -322,6 +322,11 @@ class RegisterEventFinancial(ExtensibleForm):
         required=False,
     )
 
+    def clean(self):
+        if self.cleaned_data["accept_sepa"]:
+            if not self.cleaned_data["iban"]:
+                raise forms.ValidationError(_("Please enter your IBAN"))
+
     class Meta:
         model = EventRegistration
         fields = ["voucher_code", "iban", "donation", "accept_sepa"]
diff --git a/aleksis/apps/paweljong/templates/paweljong/event/full.html b/aleksis/apps/paweljong/templates/paweljong/event/full.html
index 49cec6e9636ec093f15a02da2b7a0e9995ec640f..bfa967f53e11ab434aa0266efe82dfeaf8694679 100644
--- a/aleksis/apps/paweljong/templates/paweljong/event/full.html
+++ b/aleksis/apps/paweljong/templates/paweljong/event/full.html
@@ -54,7 +54,11 @@
      </div>
    </div>
    <div class="card-action">
-     <a href="{% url "register_event_by_slug_start" event.linked_group.short_name %}">{% trans "Register now" %}</a>
+     {% if can_register %}
+       <a href="{% url "register_event_by_slug_start" event.linked_group.short_name %}">{% trans "Register now" %}</a>
+     {% else %}
+       <a href="#">{% trans "Not available" %}</a>
+     {% endif %}
    </div>
  </div>
 
diff --git a/aleksis/apps/paweljong/views.py b/aleksis/apps/paweljong/views.py
index f76d22f3894ba1dcbaeda6def47957d30de8d722..cafc5ab06f957e726414bd7ffd2b1509b9c949b7 100644
--- a/aleksis/apps/paweljong/views.py
+++ b/aleksis/apps/paweljong/views.py
@@ -379,9 +379,6 @@ class RegisterEventWizardView(SessionWizardView):
                     {
                         "first_name": person.first_name,
                         "last_name": person.last_name,
-                        "school": person.school,
-                        "school_place": person.school_place,
-                        "school_class": person.school_class,
                         "mobile_number": person.mobile_number,
                         "email": person.email,
                         "street": person.street,