diff --git a/events/migrations/0032_add_registration_end.py b/events/migrations/0032_add_registration_end.py
new file mode 100644
index 000000000..7b6219d92
--- /dev/null
+++ b/events/migrations/0032_add_registration_end.py
@@ -0,0 +1,18 @@
+# Generated by Django 2.2.24 on 2024-09-10 10:52
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("events", "0031_add_program_file_question_foreign_key"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="event",
+            name="registration_end_date",
+            field=models.DateTimeField(null=True),
+        ),
+    ]
diff --git a/events/migrations/0033_change_registration_end.py b/events/migrations/0033_change_registration_end.py
new file mode 100644
index 000000000..9175351a9
--- /dev/null
+++ b/events/migrations/0033_change_registration_end.py
@@ -0,0 +1,18 @@
+# Generated by Django 2.2.24 on 2024-09-10 10:55
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("events", "0032_add_registration_end"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="event",
+            name="registration_end_date",
+            field=models.DateTimeField(blank=True, null=True),
+        ),
+    ]
diff --git a/events/migrations/0034_remove_requires_invitation.py b/events/migrations/0034_remove_requires_invitation.py
new file mode 100644
index 000000000..d7776af46
--- /dev/null
+++ b/events/migrations/0034_remove_requires_invitation.py
@@ -0,0 +1,17 @@
+# Generated by Django 2.2.24 on 2024-09-10 11:34
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("events", "0033_change_registration_end"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="event",
+            name="requires_invitation",
+        ),
+    ]
diff --git a/events/models.py b/events/models.py
index 1c15cf2ca..2740b2466 100644
--- a/events/models.py
+++ b/events/models.py
@@ -16,6 +16,7 @@ class Event(models.Model):
     description = models.TextField(blank=True, null=True)
     date_start = models.DateTimeField()
     date_end = models.DateTimeField()
+    registration_end_date = models.DateTimeField(blank=True, null=True)
     location = models.CharField(max_length=75, blank=True, null=True)
     food = models.CharField(max_length=75, blank=True, null=True)
     signup_cr = models.BooleanField(
@@ -57,11 +58,6 @@ class Event(models.Model):
     published = models.BooleanField(
         blank=False, null=False, verbose_name="The event is published on the website"
     )
-    requires_invitation = models.BooleanField(
-        blank=False,
-        null=False,
-        verbose_name="Participants need an invitation to sign up",
-    )
     contact_person = models.ForeignKey(
         User, blank=True, null=True, on_delete=models.CASCADE
     )
diff --git a/events/serializers.py b/events/serializers.py
index 778846d96..f8f044c29 100644
--- a/events/serializers.py
+++ b/events/serializers.py
@@ -18,7 +18,11 @@ def event(event, request):
         "event_start": int(event.date_start.strftime("%s")),
         "event_end": int(event.date_end.strftime("%s")),
         "event_start_string": event.date_start.strftime("%Y-%m-%d %H:%M"),
-        "registration_end": int(event.date_start.strftime("%s")),
+        "registration_end": (
+            int(event.registration_end_date.strftime("%s"))
+            if event.registration_end_date
+            else None
+        ),
         "image_url": (
             request.build_absolute_uri(event.picture.url) if event.picture else None
         ),
@@ -31,7 +35,8 @@ def event(event, request):
         "signup_link": signup_url,
         "can_create_teams": event.teams_create_s,
         "can_join_teams": event.teams_participate_s,
-        "open_for_signup": event.open_for_signup and event.signup_s,
+        "open_for_signup_student": event.open_for_signup and event.signup_s,
+        "open_for_signup_company": event.open_for_signup and event.signup_cr,
     }
 
     return data
diff --git a/events/tests.py b/events/tests.py
index 3c692c82a..5ae27c241 100644
--- a/events/tests.py
+++ b/events/tests.py
@@ -20,7 +20,6 @@ def setUp(self):
             teams_participate_cr=False,
             teams_participate_s=True,
             published=False,
-            requires_invitation=False,
         )
 
     def test_animals_can_speak(self):