diff --git a/src/pretix/base/services/orders.py b/src/pretix/base/services/orders.py
index 5258120dd..d4a0bfcd6 100644
--- a/src/pretix/base/services/orders.py
+++ b/src/pretix/base/services/orders.py
@@ -1,7 +1,7 @@
 import json
 import logging
 from collections import Counter, namedtuple
-from datetime import datetime, timedelta
+from datetime import datetime, time, timedelta
 from decimal import Decimal
 from typing import List, Optional
 
@@ -14,7 +14,7 @@ from django.db.models.functions import Greatest
 from django.dispatch import receiver
 from django.utils.formats import date_format
 from django.utils.functional import cached_property
-from django.utils.timezone import now
+from django.utils.timezone import make_aware, now
 from django.utils.translation import ugettext as _
 
 from pretix.api.models import OAuthApplication
@@ -34,6 +34,7 @@ from pretix.base.models.orders import (
 from pretix.base.models.organizer import TeamAPIToken
 from pretix.base.models.tax import TaxedPrice
 from pretix.base.payment import BasePaymentProvider, PaymentException
+from pretix.base.reldate import RelativeDateWrapper
 from pretix.base.services import tickets
 from pretix.base.services.invoices import (
     generate_cancellation, generate_invoice, invoice_qualified,
@@ -403,6 +404,16 @@ def _check_date(event: Event, now_dt: datetime):
     if event.presale_has_ended:
         raise OrderError(error_messages['ended'])
 
+    if not event.has_subevents:
+        tlv = event.settings.get('payment_term_last', as_type=RelativeDateWrapper)
+        if tlv:
+            term_last = make_aware(datetime.combine(
+                tlv.datetime(event).date(),
+                time(hour=23, minute=59, second=59)
+            ), event.timezone)
+            if term_last < now_dt:
+                raise OrderError(error_messages['ended'])
+
 
 def _check_positions(event: Event, now_dt: datetime, positions: List[CartPosition], address: InvoiceAddress=None):
     err = None
@@ -457,6 +468,18 @@ def _check_positions(event: Event, now_dt: datetime, positions: List[CartPositio
             delete(cp)
             break
 
+        if cp.subevent:
+            tlv = event.settings.get('payment_term_last', as_type=RelativeDateWrapper)
+            if tlv:
+                term_last = make_aware(datetime.combine(
+                    tlv.datetime(cp.subevent).date(),
+                    time(hour=23, minute=59, second=59)
+                ), event.timezone)
+                if term_last < now_dt:
+                    err = err or error_messages['some_subevent_ended']
+                    delete(cp)
+                    break
+
         if cp.subevent and cp.subevent.presale_has_ended:
             err = err or error_messages['some_subevent_ended']
             delete(cp)
diff --git a/src/tests/presale/test_checkout.py b/src/tests/presale/test_checkout.py
index 7bbd45e6a..38db6613e 100644
--- a/src/tests/presale/test_checkout.py
+++ b/src/tests/presale/test_checkout.py
@@ -1439,6 +1439,18 @@ class CheckoutTestCase(BaseCheckoutTestCase, TestCase):
         doc = BeautifulSoup(response.rendered_content, "lxml")
         self.assertGreaterEqual(len(doc.select(".alert-danger")), 1)
 
+    def test_confirm_payment_period_over(self):
+        self.event.settings.payment_term_last = (now() - datetime.timedelta(days=1)).date().isoformat()
+        CartPosition.objects.create(
+            event=self.event, cart_id=self.session_key, item=self.ticket,
+            price=23, expires=now() + timedelta(minutes=10)
+        )
+        self._set_session('payment', 'banktransfer')
+
+        response = self.client.post('/%s/%s/checkout/confirm/' % (self.orga.slug, self.event.slug), follow=True)
+        doc = BeautifulSoup(response.rendered_content, "lxml")
+        self.assertGreaterEqual(len(doc.select(".alert-danger")), 1)
+
     def test_confirm_require_voucher(self):
         self.ticket.require_voucher = True
         self.ticket.save()
@@ -1719,6 +1731,24 @@ class CheckoutTestCase(BaseCheckoutTestCase, TestCase):
         assert 'presale period for one of the events in your cart has ended.' in response.rendered_content
         assert not CartPosition.objects.filter(cart_id=self.session_key).exists()
 
+    def test_confirm_subevent_payment_period_over(self):
+        self.event.has_subevents = True
+        self.event.settings.display_net_prices = True
+        self.event.save()
+        self.event.settings.payment_term_last = 'RELDATE/1/23:59:59/date_from/'
+        se = self.event.subevents.create(name='Foo', date_from=now())
+        CartPosition.objects.create(
+            event=self.event, cart_id=self.session_key, item=self.ticket,
+            price=23, expires=now() + timedelta(minutes=10), subevent=se
+        )
+        self._set_session('payment', 'banktransfer')
+
+        response = self.client.post('/%s/%s/checkout/confirm/' % (self.orga.slug, self.event.slug), follow=True)
+        doc = BeautifulSoup(response.rendered_content, "lxml")
+        self.assertGreaterEqual(len(doc.select(".alert-danger")), 1)
+        assert 'presale period for one of the events in your cart has ended.' in response.rendered_content
+        assert not CartPosition.objects.filter(cart_id=self.session_key).exists()
+
     def test_confirm_subevent_ignore_series_dates(self):
         self.event.has_subevents = True
         self.event.date_to = now() - datetime.timedelta(days=1)