diff --git a/accounting/models.py b/accounting/models.py
index 6dbf56d8..7371bff0 100644
--- a/accounting/models.py
+++ b/accounting/models.py
@@ -58,7 +58,7 @@ class Company(models.Model):
         Method to see if that object can be edited by the given user
         """
         for club in user.memberships.filter(end_date=None).all():
-            if club and club.role == 7:
+            if club and club.role == settings.SITH_CLUB_ROLES_ID['Treasurer']:
                 return True
         return False
 
@@ -67,7 +67,7 @@ class Company(models.Model):
         Method to see if that object can be viewed by the given user
         """
         for club in user.memberships.filter(end_date=None).all():
-            if club and club.role >= 7:
+            if club and club.role >= settings.SITH_CLUB_ROLES_ID['Treasurer']:
                 return True
         return False
 
@@ -97,7 +97,7 @@ class BankAccount(models.Model):
         if user.is_in_group(settings.SITH_GROUP_ACCOUNTING_ADMIN_ID):
             return True
         m = self.club.get_membership_for(user)
-        if m is not None and m.role >= 7:
+        if m is not None and m.role >= settings.SITH_CLUB_ROLES_ID['Treasurer']:
             return True
         return False
 
@@ -129,7 +129,7 @@ class ClubAccount(models.Model):
         Method to see if that object can be edited by the given user
         """
         m = self.club.get_membership_for(user)
-        if m and m.role == 7:
+        if m and m.role == settings.SITH_CLUB_ROLES_ID['Treasurer']:
             return True
         return False
 
@@ -138,7 +138,7 @@ class ClubAccount(models.Model):
         Method to see if that object can be viewed by the given user
         """
         m = self.club.get_membership_for(user)
-        if m and m.role >= 7:
+        if m and m.role >= settings.SITH_CLUB_ROLES_ID['Treasurer']:
             return True
         return False
 
@@ -218,7 +218,7 @@ class Operation(models.Model):
     journal = models.ForeignKey(GeneralJournal, related_name="operations", null=False, verbose_name=_("journal"))
     amount = CurrencyField(_('amount'))
     date = models.DateField(_('date'))
-    remark = models.CharField(_('comment'), max_length=128, default="", null=True, blank=True)
+    remark = models.CharField(_('comment'), max_length=128, null=True, blank=True)
     mode = models.CharField(_('payment method'), max_length=255, choices=settings.SITH_ACCOUNTING_PAYMENT_METHOD)
     cheque_number = models.CharField(_('cheque number'), max_length=32, default="", null=True, blank=True)
     invoice = models.ForeignKey(SithFile, related_name='operations', verbose_name=_("invoice"), null=True, blank=True)
diff --git a/accounting/templates/accounting/bank_account_details.jinja b/accounting/templates/accounting/bank_account_details.jinja
index 95981b1b..cd968322 100644
--- a/accounting/templates/accounting/bank_account_details.jinja
+++ b/accounting/templates/accounting/bank_account_details.jinja
@@ -24,7 +24,9 @@
     {% for c in object.club_accounts.all() %}
         <li><a href="{{ url('accounting:club_details', c_account_id=c.id) }}">{{ c }}</a>
             - <a href="{{ url('accounting:club_edit', c_account_id=c.id) }}">{% trans %}Edit{% endtrans %}</a>
+            {% if c.journals.count() == 0 %}
             - <a href="{{ url('accounting:club_delete', c_account_id=c.id) }}">{% trans %}Delete{% endtrans %}</a>
+            {% endif %}
             </li>
     {% endfor %}
     </ul>
diff --git a/accounting/templates/accounting/club_account_details.jinja b/accounting/templates/accounting/club_account_details.jinja
index 2b606a5f..08f22c2d 100644
--- a/accounting/templates/accounting/club_account_details.jinja
+++ b/accounting/templates/accounting/club_account_details.jinja
@@ -55,7 +55,7 @@
             {% endif %}
             <td> <a href="{{ url('accounting:journal_details', j_id=j.id) }}">{% trans %}View{% endtrans %}</a>
                 <a href="{{ url('accounting:journal_edit', j_id=j.id) }}">{% trans %}Edit{% endtrans %}</a>
-                {% if user.is_in_group(settings.SITH_GROUP_ACCOUNTING_ADMIN_ID) %}
+                {% if user.is_in_group(settings.SITH_GROUP_ACCOUNTING_ADMIN_ID) and j.operations.count() == 0 %}
                     <a href="{{ url('accounting:journal_delete', j_id=j.id) }}">{% trans %}Delete{% endtrans %}</a>
                 {% endif %}
                 </td>
diff --git a/core/views/__init__.py b/core/views/__init__.py
index 12c45c11..c0a613bc 100644
--- a/core/views/__init__.py
+++ b/core/views/__init__.py
@@ -67,7 +67,7 @@ class CanEditPropMixin(View):
         except: pass
         # If we get here, it's a ListView
         l_id = [o.id for o in self.get_queryset() if can_edit_prop(o, request.user)]
-        if not l_id:
+        if not l_id and self.get_queryset().count() != 0:
             raise PermissionDenied
         self._get_queryset = self.get_queryset
         def get_qs(self2):
@@ -89,7 +89,7 @@ class CanEditMixin(View):
         except: pass
         # If we get here, it's a ListView
         l_id = [o.id for o in self.get_queryset() if can_edit(o, request.user)]
-        if not l_id:
+        if not l_id and self.get_queryset().count() != 0:
             raise PermissionDenied
         self._get_queryset = self.get_queryset
         def get_qs(self2):
@@ -111,7 +111,7 @@ class CanViewMixin(View):
         except: pass
         # If we get here, it's a ListView
         l_id = [o.id for o in self.get_queryset() if can_view(o, request.user)]
-        if ((not l_id) and self.get_queryset().count() != 0):
+        if not l_id and self.get_queryset().count() != 0:
             raise PermissionDenied
         self._get_queryset = self.get_queryset
         def get_qs(self2):