+    def send_receipt(cls, email, year, resend=False):
+        Contact = apps.get_model('messaging', 'Contact')
+        Funding = apps.get_model('funding', 'Funding')
+        BillingAgreement = apps.get_model('paypal', 'BillingAgreement')
+        DirectDebit = apps.get_model('pz', 'DirectDebit')
+        Payment = apps.get_model('pz', 'Payment')
+
+        payments = []
+
+        optout = None
+        try:
+            contact = Contact.objects.get(email=email)
+        except Contact.DoesNotExist:
+            funding = Funding.objects.filter(
+                email=email,
+                completed_at__year=year,
+                notifications=True).order_by('completed_at').first()
+            if funding is None:
+                print('no notifications')
+                if not DirectDebit.objects.filter(email=email, optout=False).exists():
+                    return
+            else:
+                optout = funding.wl_optout_url()
+        else:
+            if contact.level == Level.OPT_OUT:
+                print('opt-out')
+                return
+            optout = contact.wl_optout_url()
+