diff --git a/.env b/.env
index 58887a98f..54a17528a 100644
--- a/.env
+++ b/.env
@@ -26,12 +26,8 @@ DEFAULT_THEME=Vakantieverhuur
 DEFAULT_REASON=SIG melding
 VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_URL=https://api.acceptatie.toeristischeverhuur.nl/api/
 VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_ACCESS_TOKEN=SECRET_ACCESS_TOKEN
-VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_HEALTH_CHECK_BAG_ID=0503100000000209
-VAKANTIEVERHUUR_REGISTRATIE_API_URL=https://acceptatie.toeristischeverhuur.nl/ext/api/Registrations/
-VAKANTIEVERHUUR_REGISTRATIE_API_ACCESS_TOKEN=SECRET_ACCESS_TOKEN
-VAKANTIEVERHUUR_REGISTRATIE_API_HEALTH_CHECK_BSN=999999990
-VAKANTIEVERHUUR_REGISTRATIE_API_HEALTH_CHECK_BAG_ID=0503100000000209
-VAKANTIEVERHUUR_REGISTRATIE_API_HEALTH_CHECK_REGISTRATION_NUMBER=05034542BC484F3891BB
+VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_BAG_ID=0503100000000209
+VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_BSN=999999990
 ZAKEN_CONTAINER_HOST=http://zaak-gateway:8000
 
 DEFAULT_SCHEDULE_ACTIONS=Huisbezoek,Hercontrole
diff --git a/app/apps/addresses/serializers.py b/app/apps/addresses/serializers.py
index 9848a4d15..6213e6404 100644
--- a/app/apps/addresses/serializers.py
+++ b/app/apps/addresses/serializers.py
@@ -120,3 +120,17 @@ class MeldingenSerializer(serializers.Serializer):
     totalPages = serializers.IntegerField()
     totalRecords = serializers.IntegerField()
     data = serializers.ListField(child=serializers.DictField())
+
+
+class RegistrationNumberSerializer(serializers.Serializer):
+    registrationNumber = serializers.CharField(required=True)
+
+
+class RegistrationDetailsSerializer(serializers.Serializer):
+    registrationNumber = serializers.CharField(required=True)
+    requester = serializers.DictField()
+    rentalHouse = serializers.DictField()
+    requestForOther = serializers.BooleanField()
+    requestForBedAndBreakfast = serializers.BooleanField()
+    createdAt = serializers.DateTimeField()
+    agreementDate = serializers.DateTimeField()
diff --git a/app/apps/addresses/views.py b/app/apps/addresses/views.py
index 47d108492..c2fe0e4ef 100644
--- a/app/apps/addresses/views.py
+++ b/app/apps/addresses/views.py
@@ -7,6 +7,8 @@
     GetResidentsSerializer,
     HousingCorporationSerializer,
     MeldingenSerializer,
+    RegistrationDetailsSerializer,
+    RegistrationNumberSerializer,
     ResidentsSerializer,
 )
 from apps.cases.models import Advertisement
@@ -22,7 +24,11 @@
 from rest_framework.response import Response
 from rest_framework.viewsets import ViewSet
 from utils.api_queries_brp import get_brp_by_nummeraanduiding_id
-from utils.api_queries_toeristische_verhuur import get_vakantieverhuur_meldingen
+from utils.api_queries_toeristische_verhuur import (
+    get_vakantieverhuur_meldingen,
+    get_vakantieverhuur_registration,
+    get_vakantieverhuur_registrations_by_bag_id,
+)
 
 logger = logging.getLogger(__name__)
 
@@ -243,3 +249,66 @@ def meldingen(self, request, bag_id):
                 {"error": "Toeristische verhuur meldingen could not be obtained"},
                 status=status.HTTP_500_INTERNAL_SERVER_ERROR,
             )
+
+    @extend_schema(
+        description="Gets all registrations for holiday rental by bag_id",
+        responses={status.HTTP_200_OK: RegistrationDetailsSerializer(many=True)},
+    )
+    @action(
+        detail=True,
+        url_path="registrations",
+        methods=["get"],
+        pagination_class=None,
+    )
+    def registrations(self, request, bag_id):
+        try:
+            (
+                registrations_data,
+                status_code,
+            ) = get_vakantieverhuur_registrations_by_bag_id(
+                bag_id,
+            )
+            serialized_registrations = RegistrationNumberSerializer(
+                data=registrations_data, many=True
+            )
+            serialized_registrations.is_valid(raise_exception=True)
+
+            # Fetch details for each registration number
+            detailed_registrations = []
+            for registration in serialized_registrations.data:
+                # Remove spaces from registration number
+                registration_number = registration["registrationNumber"].replace(
+                    " ", ""
+                )
+                try:
+                    # Fetch detailed data for the current registrationNumber
+                    (
+                        registration_details,
+                        detail_status_code,
+                    ) = get_vakantieverhuur_registration(registration_number)
+                    if detail_status_code == 200:  # Only append if successful
+                        detailed_registrations.append(registration_details)
+                    else:
+                        print(
+                            f"Failed to fetch details for {registration_number}. Status: {detail_status_code}"
+                        )
+                except Exception as e:
+                    print(f"Error fetching details for {registration_number}: {e}")
+
+            # Sort detailed_registrations by 'createdAt' with the newest first
+            detailed_registrations = sorted(
+                detailed_registrations,
+                key=lambda x: x.get("createdAt", ""),
+                reverse=True,
+            )
+
+            serializer = RegistrationDetailsSerializer(
+                detailed_registrations, many=True
+            )
+
+            return Response(serializer.data, status=status_code)
+        except Exception:
+            return Response(
+                {"error": "Toeristische verhuur registrations could not be obtained"},
+                status=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            )
diff --git a/app/apps/health/health_checks.py b/app/apps/health/health_checks.py
index 8e5282db6..e71a26a7d 100644
--- a/app/apps/health/health_checks.py
+++ b/app/apps/health/health_checks.py
@@ -13,10 +13,9 @@
     do_bag_search_pdok_by_bag_id,
 )
 from utils.api_queries_toeristische_verhuur import (
-    get_bag_vakantieverhuur_registrations,
-    get_bsn_vakantieverhuur_registrations,
     get_vakantieverhuur_meldingen,
-    get_vakantieverhuur_registration,
+    get_vakantieverhuur_registrations_by_bag_id,
+    get_vakantieverhuur_registrations_by_bsn_number,
 )
 
 logger = logging.getLogger(__name__)
@@ -265,22 +264,15 @@ class VakantieVerhuurRegistratieCheck(BaseHealthCheckBackend):
     def check_status(self):
 
         try:
-            registration = get_vakantieverhuur_registration(
-                settings.VAKANTIEVERHUUR_REGISTRATIE_API_HEALTH_CHECK_REGISTRATION_NUMBER
-            )
-            assert bool(
-                registration
-            ), "The registration data is empty and could not be retrieved"
-
-            bsn_registrations = get_bsn_vakantieverhuur_registrations(
-                settings.VAKANTIEVERHUUR_REGISTRATIE_API_HEALTH_CHECK_BSN
+            bsn_registrations = get_vakantieverhuur_registrations_by_bsn_number(
+                settings.VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_BSN
             )
             assert (
                 len(bsn_registrations) > 0
             ), "The registration data is empty and could not be retrieved using the BSN number"
 
-            bag_registrations = get_bag_vakantieverhuur_registrations(
-                settings.VAKANTIEVERHUUR_REGISTRATIE_API_HEALTH_CHECK_BAG_ID
+            bag_registrations = get_vakantieverhuur_registrations_by_bag_id(
+                settings.VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_BAG_ID
             )
             assert (
                 len(bag_registrations) > 0
@@ -311,7 +303,7 @@ def check_status(self):
 
         try:
             get_vakantieverhuur_meldingen(
-                settings.VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_HEALTH_CHECK_BAG_ID,
+                settings.VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_BAG_ID,
                 query_params=params,
                 use_retry=False,
             )
diff --git a/app/apps/workflow/admin.py b/app/apps/workflow/admin.py
index 32477fda5..042ca718e 100644
--- a/app/apps/workflow/admin.py
+++ b/app/apps/workflow/admin.py
@@ -15,6 +15,13 @@ def force_update_workflows(modeladmin, request, queryset):
         task_update_workflow.delay(workflow.id)
 
 
+@admin.action(description="Complete subworkflows if there are no open tasks")
+def complete_sub_workflow(modeladmin, request, queryset):
+    for workflow in queryset.all():
+        wf = workflow.get_or_restore_workflow_state()
+        workflow.complete_sub_workflow(wf)
+
+
 @admin.action(description="Remove workflows for closed cases")
 def remove_workflows_for_closed_cases(modeladmin, request, queryset):
     queryset.filter(
@@ -91,6 +98,7 @@ class CaseWorkflowAdmin(admin.ModelAdmin):
         migrate_worflows_to_latest,
         force_update_workflows,
         remove_workflows_for_closed_cases,
+        complete_sub_workflow,
     )
 
     def issues(self, obj):
diff --git a/app/apps/workflow/models.py b/app/apps/workflow/models.py
index 501a7c631..f19e94064 100644
--- a/app/apps/workflow/models.py
+++ b/app/apps/workflow/models.py
@@ -509,6 +509,16 @@ def complete_workflow(self):
     def update_tasks(self, wf):
         self.set_absolete_tasks_to_completed(wf)
         self.create_user_tasks(wf)
+        self.complete_sub_workflow(wf)
+
+    # The sub_workflow.bpmn has multiple flows inside, so spiff does not know when the workflow is completed.
+    def complete_sub_workflow(self, wf):
+        if (
+            self.workflow_type == self.WORKFLOW_TYPE_SUB
+            and len(wf.get_ready_user_tasks()) == 0
+        ):
+            self.completed = True
+            self.save()
 
     @staticmethod
     def get_task_by_task_id(id):
@@ -558,7 +568,6 @@ def save_workflow_state(self, wf):
             self.data.update(wf.last_task.data)
 
         completed = False
-
         if wf.is_completed() and not self.completed:
             completed = True
             self.completed = True
@@ -688,7 +697,7 @@ def has_a_timer_event_fired(self):
                 event_definition = task.task_spec.event_definition
                 has_fired = event_definition.has_fired(task)
                 if has_fired:
-                    logger.info(
+                    logger.warning(
                         f"TimerEventDefinition for task '{task.task_spec.name}' has expired. Workflow with id '{self.id}', needs an update"
                     )
                     return True
diff --git a/app/apps/workflow/tasks.py b/app/apps/workflow/tasks.py
index b97ea076f..78f167524 100644
--- a/app/apps/workflow/tasks.py
+++ b/app/apps/workflow/tasks.py
@@ -41,6 +41,9 @@ def task_update_workflows(self):
     workflow_instances = CaseWorkflow.objects.filter(completed=False)
     for workflow in workflow_instances:
         if workflow.has_a_timer_event_fired():
+            logger.warning(
+                f"task_update_workflows: workflow with id '{workflow.id}', has a timer event fired"
+            )
             task_update_workflow.delay(workflow.id)
     return f"task_update_workflows complete: count '{workflow_instances.count()}'"
 
diff --git a/app/config/settings.py b/app/config/settings.py
index 4a172ca6b..8f35e2031 100644
--- a/app/config/settings.py
+++ b/app/config/settings.py
@@ -515,7 +515,6 @@ def get_redis_url():
 }
 
 CELERY_TASK_TRACK_STARTED = True
-CELERY_TASK_TIME_LIMIT = 30 * 60
 CELERY_BROKER_URL = get_redis_url()
 CELERY_BROKER_CONNECTION_RETRY_ON_STARTUP = True
 BROKER_CONNECTION_MAX_RETRIES = None
@@ -523,7 +522,7 @@ def get_redis_url():
 BROKER_URL = CELERY_BROKER_URL
 CELERY_TASK_TRACK_STARTED = True
 CELERY_RESULT_BACKEND = "django-db"
-CELERY_TASK_TIME_LIMIT = 30 * 60
+CELERY_TASK_TIME_LIMIT = 5400  # 1,5 hours
 CELERY_BEAT_SCHEDULE = {
     "queue_every_five_mins": {
         "task": "apps.health.tasks.query_every_five_mins",
@@ -531,6 +530,7 @@ def get_redis_url():
     },
 }
 
+
 CELERY_BROKER_TRANSPORT_OPTIONS = {
     "socket_keepalive": True,
     "socket_keepalive_options": {
@@ -560,22 +560,11 @@ def get_redis_url():
 VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_ACCESS_TOKEN = os.getenv(
     "VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_ACCESS_TOKEN"
 )
-VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_HEALTH_CHECK_BAG_ID = os.getenv(
-    "VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_HEALTH_CHECK_BAG_ID", "0503100000000209"
-)
-
-VAKANTIEVERHUUR_REGISTRATIE_API_URL = os.getenv("VAKANTIEVERHUUR_REGISTRATIE_API_URL")
-VAKANTIEVERHUUR_REGISTRATIE_API_ACCESS_TOKEN = os.getenv(
-    "VAKANTIEVERHUUR_REGISTRATIE_API_ACCESS_TOKEN"
-)
-VAKANTIEVERHUUR_REGISTRATIE_API_HEALTH_CHECK_BSN = os.getenv(
-    "VAKANTIEVERHUUR_REGISTRATIE_API_HEALTH_CHECK_BSN"
-)
-VAKANTIEVERHUUR_REGISTRATIE_API_HEALTH_CHECK_BAG_ID = os.getenv(
-    "VAKANTIEVERHUUR_REGISTRATIE_API_HEALTH_CHECK_BAG_ID"
+VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_BAG_ID = os.getenv(
+    "VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_BAG_ID", "0503100000000209"
 )
-VAKANTIEVERHUUR_REGISTRATIE_API_HEALTH_CHECK_REGISTRATION_NUMBER = os.getenv(
-    "VAKANTIEVERHUUR_REGISTRATIE_API_HEALTH_CHECK_REGISTRATION_NUMBER"
+VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_BSN = os.getenv(
+    "VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_BSN"
 )
 
 DEFAULT_AUTO_FIELD = "django.db.models.AutoField"
diff --git a/app/utils/api_queries_toeristische_verhuur.py b/app/utils/api_queries_toeristische_verhuur.py
index 8e3e0f290..bf5fd3698 100644
--- a/app/utils/api_queries_toeristische_verhuur.py
+++ b/app/utils/api_queries_toeristische_verhuur.py
@@ -39,57 +39,61 @@ def _get_vakantieverhuur_meldingen_internal():
     return _get_vakantieverhuur_meldingen_internal()
 
 
-@retry(stop=stop_after_attempt(3), after=after_log(logger, logging.ERROR))
+@retry(stop=stop_after_attempt(1), after=after_log(logger, logging.ERROR))
 def get_vakantieverhuur_registration(registration_number):
     """
     Get the Vakantieverhuur registration
     """
-    header = {"x-api-key": settings.VAKANTIEVERHUUR_REGISTRATIE_API_ACCESS_TOKEN}
-    url = (
-        f"{settings.VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_URL}{registration_number}"
-    )
+    header = {
+        "x-api-key": settings.VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_ACCESS_TOKEN
+    }
+    url = f"{settings.VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_URL}registrations/{registration_number}"
 
     response = requests.get(
         url=url,
         headers=header,
-        verify="/usr/local/share/ca-certificates/adp_rootca.crt",
+        timeout=30,
     )
     response.raise_for_status()
 
-    return response.json()
+    return response.json(), response.status_code
 
 
 @retry(stop=stop_after_attempt(3), after=after_log(logger, logging.ERROR))
-def get_bsn_vakantieverhuur_registrations(bsn_number):
+def get_vakantieverhuur_registrations_by_bag_id(bag_id):
     """
-    Get the Vakantieverhuur registrations using a BSN number
+    Get the Vakantieverhuur registration by bag_id
     """
-    header = {"x-api-key": settings.VAKANTIEVERHUUR_REGISTRATIE_API_ACCESS_TOKEN}
-    url = f"{settings.VAKANTIEVERHUUR_REGISTRATIE_API_URL}bsn/{bsn_number}"
+    header = {
+        "x-api-key": settings.VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_ACCESS_TOKEN
+    }
+    url = f"{settings.VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_URL}registrations/adresseerbaarObjectIdentificatie/{bag_id}"
 
     response = requests.get(
         url=url,
         headers=header,
-        verify="/usr/local/share/ca-certificates/adp_rootca.crt",
+        timeout=30,
     )
     response.raise_for_status()
 
-    return response.json()
+    return response.json(), response.status_code
 
 
 @retry(stop=stop_after_attempt(3), after=after_log(logger, logging.ERROR))
-def get_bag_vakantieverhuur_registrations(bag_id):
+def get_vakantieverhuur_registrations_by_bsn_number(bsn_number):
     """
-    Get the Vakantieverhuur registrations using a BSN number
+    Get the Vakantieverhuur registration by bsn_number
     """
-    header = {"x-api-key": settings.VAKANTIEVERHUUR_REGISTRATIE_API_ACCESS_TOKEN}
-    url = f"{settings.VAKANTIEVERHUUR_REGISTRATIE_API_URL}bagid/{bag_id}"
+    header = {
+        "x-api-key": settings.VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_ACCESS_TOKEN
+    }
+    url = f"{settings.VAKANTIEVERHUUR_TOERISTISCHE_VERHUUR_API_URL}registrations/bsn/{bsn_number}"
 
     response = requests.get(
         url=url,
         headers=header,
-        verify="/usr/local/share/ca-certificates/adp_rootca.crt",
+        timeout=30,
     )
     response.raise_for_status()
 
-    return response.json()
+    return response.json(), response.status_code