diff --git a/bda/urls.py b/bda/urls.py
index cefde4a2..5b452362 100644
--- a/bda/urls.py
+++ b/bda/urls.py
@@ -23,7 +23,11 @@ urlpatterns = [
         views.spectacle,
         name="bda-spectacle",
     ),
-    url(r"^spectacles/unpaid/(?P<tirage_id>\d+)$", views.unpaid, name="bda-unpaid"),
+    url(
+        r"^spectacles/unpaid/(?P<tirage_id>\d+)$",
+        views.UnpaidParticipants.as_view(),
+        name="bda-unpaid",
+    ),
     url(
         r"^spectacles/autocomplete$",
         views.spectacle_autocomplete,
diff --git a/bda/views.py b/bda/views.py
index c0f4a079..40595cbf 100644
--- a/bda/views.py
+++ b/bda/views.py
@@ -41,7 +41,7 @@ from bda.models import (
     SpectacleRevente,
     Tirage,
 )
-from gestioncof.decorators import buro_required, cof_required
+from gestioncof.decorators import BuroRequiredMixin, buro_required, cof_required
 from utils.views.autocomplete import Select2QuerySetView
 
 
@@ -378,7 +378,7 @@ def revente_manage(request, tirage_id):
     - Annulation d'une revente après que le tirage a eu lieu
     """
     tirage = get_object_or_404(Tirage, id=tirage_id)
-    participant, created = Participant.objects.get_or_create(
+    participant, created = Participant.objects_paid.get_or_create(
         user=request.user, tirage=tirage
     )
 
@@ -695,12 +695,13 @@ def spectacle(request, tirage_id, spectacle_id):
             "username": participant.user.username,
             "email": participant.user.email,
             "given": int(attrib.given),
-            "paid": participant.paid,
+            "paid": True,
             "nb_places": 1,
         }
         if participant.id in participants:
             participants[participant.id]["nb_places"] += 1
             participants[participant.id]["given"] += attrib.given
+            participants[participant.id]["paid"] &= attrib.paid
         else:
             participants[participant.id] = participant_info
 
@@ -728,15 +729,14 @@ class SpectacleListView(ListView):
         return context
 
 
-@buro_required
-def unpaid(request, tirage_id):
-    tirage = get_object_or_404(Tirage, id=tirage_id)
-    unpaid = (
-        tirage.participant_set.annotate(nb_attributions=Count("attribution"))
-        .filter(paid=False, nb_attributions__gt=0)
-        .select_related("user")
-    )
-    return render(request, "bda-unpaid.html", {"unpaid": unpaid})
+class UnpaidParticipants(BuroRequiredMixin, ListView):
+    context_object_name = "unpaid"
+    template_name = "bda-unpaid.html"
+
+    def get_queryset(self):
+        return Participant.objects_paid.filter(
+            tirage__id=self.kwargs["tirage_id"], paid=False
+        ).select_related("user")
 
 
 @buro_required
diff --git a/gestioncof/decorators.py b/gestioncof/decorators.py
index 37d93c7f..4f6eb0e4 100644
--- a/gestioncof/decorators.py
+++ b/gestioncof/decorators.py
@@ -1,6 +1,7 @@
 from functools import wraps
 
 from django.contrib.auth.decorators import login_required, user_passes_test
+from django.contrib.auth.mixins import PermissionRequiredMixin
 from django.core.exceptions import PermissionDenied
 from django.shortcuts import render
 
@@ -53,3 +54,19 @@ def buro_required(view_func):
         return render(request, "buro-denied.html", status=403)
 
     return login_required(_wrapped_view)
+
+
+class CofRequiredMixin(PermissionRequiredMixin):
+    def has_permission(self):
+        try:
+            return self.request.user.profile.is_cof
+        except AttributeError:
+            return False
+
+
+class BuroRequiredMixin(PermissionRequiredMixin):
+    def has_permission(self):
+        try:
+            return self.request.user.profile.is_buro
+        except AttributeError:
+            return False