Brexit

src/pretix/base/forms/questions.py

@@ -34,7 +34,9 @@ from pretix.base.forms.widgets import (
 )
 from pretix.base.i18n import language
 from pretix.base.models import InvoiceAddress, Question, QuestionOption
-from pretix.base.models.tax import EU_COUNTRIES, cc_to_vat_prefix
+from pretix.base.models.tax import (
+    EU_COUNTRIES, cc_to_vat_prefix, is_eu_country,
+)
 from pretix.base.settings import (
     COUNTRIES_WITH_STATE_IN_ADDRESS, PERSON_NAME_SALUTATIONS,
     PERSON_NAME_SCHEMES, PERSON_NAME_TITLE_GROUPS,
@@ -648,7 +650,7 @@ class BaseInvoiceAddressForm(forms.ModelForm):
         self.fields['state'].widget.is_required = True
 
         # Without JavaScript the VAT ID field is not hidden, so we empty the field if a country outside the EU is selected.
-        if cc and cc not in EU_COUNTRIES and fprefix + 'vat_id' in self.data:
+        if cc and not is_eu_country(cc) and fprefix + 'vat_id' in self.data:
             self.data = self.data.copy()
             del self.data[fprefix + 'vat_id']
 
@@ -698,7 +700,7 @@ class BaseInvoiceAddressForm(forms.ModelForm):
         if not data.get('is_business'):
             data['company'] = ''
             data['vat_id'] = ''
-        if data.get('is_business') and not data.get('country') in EU_COUNTRIES:
+        if data.get('is_business') and not is_eu_country(data.get('country')):
             data['vat_id'] = ''
         if self.event.settings.invoice_address_required:
             if data.get('is_business') and not data.get('company'):
@@ -722,7 +724,7 @@ class BaseInvoiceAddressForm(forms.ModelForm):
             self.cleaned_data['country'] = ''
         if self.validate_vat_id and self.instance.vat_id_validated and 'vat_id' not in self.changed_data:
             pass
-        elif self.validate_vat_id and data.get('is_business') and data.get('country') in EU_COUNTRIES and data.get('vat_id'):
+        elif self.validate_vat_id and data.get('is_business') and is_eu_country(data.get('country')) and data.get('vat_id'):
             if data.get('vat_id')[:2] != cc_to_vat_prefix(str(data.get('country'))):
                 raise ValidationError(_('Your VAT ID does not match the selected country.'))
             try:

src/pretix/base/models/tax.py

@@ -4,6 +4,7 @@ from decimal import Decimal
 from django.core.exceptions import ValidationError
 from django.db import models
 from django.utils.formats import localize
+from django.utils.timezone import get_current_timezone, now
 from django.utils.translation import gettext_lazy as _
 from i18nfield.fields import I18nCharField
 
@@ -85,6 +86,14 @@ EU_CURRENCIES = {
 }
 
 
+def is_eu_country(cc):
+    cc = str(cc)
+    if cc == 'GB':
+        return now().astimezone(get_current_timezone()).year <= 2020
+    else:
+        return cc in EU_COUNTRIES
+
+
 def cc_to_vat_prefix(country_code):
     if country_code == 'GR':
         return 'EL'
@@ -246,7 +255,7 @@ class TaxRule(LoggedModel):
         rules = self._custom_rules
         if invoice_address:
             for r in rules:
-                if r['country'] == 'EU' and str(invoice_address.country) not in EU_COUNTRIES:
+                if r['country'] == 'EU' and not is_eu_country(invoice_address.country):
                     continue
                 if r['country'] not in ('ZZ', 'EU') and r['country'] != str(invoice_address.country):
                     continue
@@ -270,7 +279,7 @@ class TaxRule(LoggedModel):
         if not invoice_address or not invoice_address.country:
             return False
 
-        if str(invoice_address.country) not in EU_COUNTRIES:
+        if not is_eu_country(invoice_address.country):
             return False
 
         if invoice_address.country == self.home_country:
@@ -296,7 +305,7 @@ class TaxRule(LoggedModel):
             # No country specified? Always apply VAT!
             return True
 
-        if str(invoice_address.country) not in EU_COUNTRIES:
+        if not is_eu_country(invoice_address.country):
             # Non-EU country? Never apply VAT!
             return False
 

src/pretix/base/services/invoices.py

@@ -24,7 +24,7 @@ from pretix.base.i18n import language
 from pretix.base.models import (
     Invoice, InvoiceAddress, InvoiceLine, Order, OrderFee,
 )
-from pretix.base.models.tax import EU_COUNTRIES, EU_CURRENCIES
+from pretix.base.models.tax import EU_CURRENCIES, is_eu_country
 from pretix.base.services.tasks import TransactionAwareTask
 from pretix.base.settings import GlobalSettingsObject
 from pretix.base.signals import invoice_line_text, periodic_task
@@ -181,7 +181,7 @@ def build_invoice(invoice: Invoice) -> Invoice:
         if reverse_charge:
             if invoice.additional_text:
                 invoice.additional_text += "<br /><br />"
-            if str(invoice.invoice_to_country) in EU_COUNTRIES:
+            if is_eu_country(invoice.invoice_to_country):
                 invoice.additional_text += pgettext(
                     "invoice",
                     "Reverse Charge: According to Article 194, 196 of Council Directive 2006/112/EEC, VAT liability "

src/pretix/control/views/orders.py

@@ -45,7 +45,7 @@ from pretix.base.models import (
 from pretix.base.models.orders import (
     CancellationRequest, OrderFee, OrderPayment, OrderPosition, OrderRefund,
 )
-from pretix.base.models.tax import EU_COUNTRIES, cc_to_vat_prefix
+from pretix.base.models.tax import cc_to_vat_prefix, is_eu_country
 from pretix.base.payment import PaymentException
 from pretix.base.secrets import assign_ticket_secret
 from pretix.base.services import tickets
@@ -1166,7 +1166,7 @@ class OrderCheckVATID(OrderView):
                 messages.error(self.request, _('No country specified.'))
                 return redirect(self.get_order_url())
 
-            if str(ia.country) not in EU_COUNTRIES:
+            if not is_eu_country(ia.country):
                 messages.error(self.request, _('VAT ID could not be checked since a non-EU country has been '
                                                'specified.'))
                 return redirect(self.get_order_url())