diff --git a/app/event_handlers.py b/app/event_handlers.py
index 049ea3e66..2ac6ca687 100644
--- a/app/event_handlers.py
+++ b/app/event_handlers.py
@@ -41,6 +41,23 @@ def create_archive_user_event(user_id, archived_by_id):
         archived_by_id=archived_by_id)
 
 
+def create_broadcast_account_type_change_event(
+    service_id,
+    changed_by_id,
+    service_mode,
+    broadcast_channel,
+    provider_restriction,
+):
+    _send_event(
+        'change_broadcast_account_type',
+        service_id=service_id,
+        changed_by_id=changed_by_id,
+        service_mode=service_mode,
+        broadcast_channel=broadcast_channel,
+        provider_restriction=provider_restriction
+    )
+
+
 def _send_event(event_type, **kwargs):
     event_data = _construct_event_data(request)
     event_data.update(kwargs)
diff --git a/app/main/views/service_settings.py b/app/main/views/service_settings.py
index 4544d619f..29387c35e 100644
--- a/app/main/views/service_settings.py
+++ b/app/main/views/service_settings.py
@@ -28,6 +28,7 @@ from app import (
     service_api_client,
     user_api_client,
 )
+from app.event_handlers import create_broadcast_account_type_change_event
 from app.extensions import zendesk_client
 from app.formatters import email_safe
 from app.main import main
@@ -333,6 +334,13 @@ def service_set_broadcast_account_type(service_id):
             broadcast_channel=form.account_type.broadcast_channel,
             provider_restriction=form.account_type.provider_restriction
         )
+        create_broadcast_account_type_change_event(
+            service_id=current_service.id,
+            changed_by_id=current_user.id,
+            service_mode=form.account_type.service_mode,
+            broadcast_channel=form.account_type.broadcast_channel,
+            provider_restriction=form.account_type.provider_restriction,
+        )
 
         return redirect(url_for(".service_settings", service_id=service_id))
 
diff --git a/tests/app/main/views/test_service_settings.py b/tests/app/main/views/test_service_settings.py
index e6d72f229..9e58fd35a 100644
--- a/tests/app/main/views/test_service_settings.py
+++ b/tests/app/main/views/test_service_settings.py
@@ -5557,8 +5557,10 @@ def test_post_service_set_broadcast_account_type_posts_data_to_api_and_redirects
     service_mode,
     broadcast_channel,
     allowed_broadcast_provider,
+    fake_uuid,
 ):
     set_service_broadcast_settings_mock = mocker.patch('app.service_api_client.set_service_broadcast_settings')
+    mock_event_handler = mocker.patch('app.main.views.service_settings.create_broadcast_account_type_change_event')
 
     response = platform_admin_client.post(
         url_for(
@@ -5577,11 +5579,22 @@ def test_post_service_set_broadcast_account_type_posts_data_to_api_and_redirects
         broadcast_channel=broadcast_channel,
         provider_restriction=allowed_broadcast_provider,
     )
+    mock_event_handler.assert_called_once_with(
+        service_id=SERVICE_ONE_ID,
+        changed_by_id=fake_uuid,
+        service_mode=service_mode,
+        broadcast_channel=broadcast_channel,
+        provider_restriction=allowed_broadcast_provider,
+    )
 
 
 def test_post_service_set_broadcast_account_type_shows_errors_if_no_radio_selected(
-    platform_admin_client
+    platform_admin_client,
+    mocker,
 ):
+    set_service_broadcast_settings_mock = mocker.patch('app.service_api_client.set_service_broadcast_settings')
+    mock_event_handler = mocker.patch('app.main.views.service_settings.create_broadcast_account_type_change_event')
+
     response = platform_admin_client.post(
         url_for(
             'main.service_set_broadcast_account_type',
@@ -5591,3 +5604,5 @@ def test_post_service_set_broadcast_account_type_shows_errors_if_no_radio_select
     assert response.status_code == 200
     page = BeautifulSoup(response.data.decode('utf-8'), 'html.parser')
     assert "This field is required" in page.find("span", {"class": "govuk-error-message"}).text
+    assert not set_service_broadcast_settings_mock.called
+    assert not mock_event_handler.called
diff --git a/tests/app/test_event_handlers.py b/tests/app/test_event_handlers.py
index b43996265..254931117 100644
--- a/tests/app/test_event_handlers.py
+++ b/tests/app/test_event_handlers.py
@@ -3,6 +3,7 @@ from unittest.mock import ANY
 
 from app.event_handlers import (
     create_archive_user_event,
+    create_broadcast_account_type_change_event,
     create_email_change_event,
     create_mobile_number_change_event,
     create_remove_user_from_service_event,
@@ -88,3 +89,26 @@ def test_create_archive_user_event_calls_events_api(app_, mock_events):
                                         'ip_address': ANY,
                                         'user_id': user_id,
                                         'archived_by_id': archived_by_id})
+
+
+def test_create_broadcast_account_type_change_event(app_, mock_events):
+    service_id = str(uuid.uuid4())
+    changed_by_id = str(uuid.uuid4())
+
+    with app_.test_request_context():
+        create_broadcast_account_type_change_event(
+            service_id,
+            changed_by_id,
+            'training',
+            'severe',
+            None)
+
+        mock_events.assert_called_with('change_broadcast_account_type',
+                                       {'browser_fingerprint':
+                                        {'browser': ANY, 'version': ANY, 'platform': ANY, 'user_agent_string': ''},
+                                        'ip_address': ANY,
+                                        'service_id': service_id,
+                                        'changed_by_id': changed_by_id,
+                                        'service_mode': 'training',
+                                        'broadcast_channel': 'severe',
+                                        'provider_restriction': None})