diff --git a/SAS/TMSS/src/tmss/tmssapp/migrations/0003_projectquotum_resourcetype_resourceunit.py b/SAS/TMSS/src/tmss/tmssapp/migrations/0003_projectquotum_resourcetype_resourceunit.py
index eca4f0ecf01f6b3cffe61d8a7772ac5cbd5f88ab..ab5689f6fd8cd6bfced44aecda587b949a86267e 100644
--- a/SAS/TMSS/src/tmss/tmssapp/migrations/0003_projectquotum_resourcetype_resourceunit.py
+++ b/SAS/TMSS/src/tmss/tmssapp/migrations/0003_projectquotum_resourcetype_resourceunit.py
@@ -40,7 +40,7 @@ class Migration(migrations.Migration):
             },
         ),
         migrations.CreateModel(
-            name='ProjectQuotum',
+            name='ProjectQuota',
             fields=[
                 ('tags', django.contrib.postgres.fields.ArrayField(base_field=models.CharField(max_length=128), blank=True, default=list, help_text='User-defined search keywords for object.', size=8)),
                 ('created_at', models.DateTimeField(auto_now_add=True, help_text='Moment of object creation.')),
@@ -48,7 +48,7 @@ class Migration(migrations.Migration):
                 ('description', models.CharField(help_text='A longer description of this object.', max_length=255)),
                 ('name', models.CharField(help_text='Human-readable name of this object.', max_length=128, primary_key=True, serialize=False)),
                 ('resource_quota', models.FloatField(help_text='Resource Quota value')),
-                ('project', models.ForeignKey(help_text='Project to wich this quota belongs.', on_delete=django.db.models.deletion.PROTECT, related_name='project_quotums', to='tmssapp.Project')),
+                ('project', models.ForeignKey(help_text='Project to wich this quota belongs.', on_delete=django.db.models.deletion.PROTECT, related_name='project_quota', to='tmssapp.Project')),
                 ('resource_type', models.ForeignKey(help_text='Resource type.', on_delete=django.db.models.deletion.PROTECT, related_name='resource_type', to='tmssapp.ResourceType')),
             ],
             options={
diff --git a/SAS/TMSS/src/tmss/tmssapp/models/specification.py b/SAS/TMSS/src/tmss/tmssapp/models/specification.py
index 1c60c5493991f9cc61299a52e5846450c4f34a9f..50dac3cedb00629124bf3871727030f6c04fe311 100644
--- a/SAS/TMSS/src/tmss/tmssapp/models/specification.py
+++ b/SAS/TMSS/src/tmss/tmssapp/models/specification.py
@@ -211,13 +211,10 @@ class Project(NamedCommonPK):
     expert = BooleanField(default=False, help_text='Expert projects put more responsibility on the PI.')
     filler = BooleanField(default=False, help_text='Use this project to fill up idle telescope time.')
 
-class ProjectQuotum(NamedCommonPK):
-    project = ForeignKey('Project', related_name="project_quotums", on_delete=PROTECT, help_text='Project to wich this quota belongs.')  # protected to avoid accidents
+class ProjectQuota(NamedCommonPK):
+    project = ForeignKey('Project', related_name="project_quota", on_delete=PROTECT, help_text='Project to wich this quota belongs.')  # protected to avoid accidents
     resource_quota = FloatField(help_text='Resource Quota value')
     resource_type = ForeignKey('ResourceType', related_name="resource_type", on_delete=PROTECT, help_text='Resource type.')  # protected to avoid accidents
-    #lta_storage = FloatField(help_text='LTA storage offered for the project')
-    #observation_hours = IntegerField(help_text='Number of offered hours for observations.')
-    #processing_hours = IntegerField(help_text='Number of offered hours for  processing.')
 
 class ResourceType(NamedCommonPK):
     resource_unit = ForeignKey('ResourceUnit', related_name="resource_types", on_delete=PROTECT, help_text='Unit of current resource.')
diff --git a/SAS/TMSS/src/tmss/tmssapp/serializers/specification.py b/SAS/TMSS/src/tmss/tmssapp/serializers/specification.py
index 892dff998ebe701d1549025db37b811cec866c2e..76da0a35a754e48e2c7d58bb1d59cfd96bb21eb2 100644
--- a/SAS/TMSS/src/tmss/tmssapp/serializers/specification.py
+++ b/SAS/TMSS/src/tmss/tmssapp/serializers/specification.py
@@ -122,11 +122,11 @@ class ProjectSerializer(RelationalHyperlinkedModelSerializer):
     class Meta:
         model = models.Project
         fields = '__all__'
-        extra_fields = ['name','project_quotums']
+        extra_fields = ['name','project_quota']
 
-class ProjectQuotumSerializer(RelationalHyperlinkedModelSerializer):
+class ProjectQuotaSerializer(RelationalHyperlinkedModelSerializer):
     class Meta:
-        model = models.ProjectQuotum
+        model = models.ProjectQuota
         fields = '__all__'
         extra_fields = ['name','resource_type']
 
diff --git a/SAS/TMSS/src/tmss/tmssapp/viewsets/specification.py b/SAS/TMSS/src/tmss/tmssapp/viewsets/specification.py
index 5732999bbd0ecaf02df183dcc60c16c901e01d50..16f25c43c2a58715bfba2ed1fc87ac401db3a410 100644
--- a/SAS/TMSS/src/tmss/tmssapp/viewsets/specification.py
+++ b/SAS/TMSS/src/tmss/tmssapp/viewsets/specification.py
@@ -126,9 +126,9 @@ class ProjectViewSet(LOFARViewSet):
         else:
             return models.Project.objects.all()
 
-class ProjectQuotumViewSet(LOFARViewSet):
-    queryset = models.ProjectQuotum.objects.all()
-    serializer_class = serializers.ProjectQuotumSerializer
+class ProjectQuotaViewSet(LOFARViewSet):
+    queryset = models.ProjectQuota.objects.all()
+    serializer_class = serializers.ProjectQuotaSerializer
     
 
 class ResourceTypeViewSet(LOFARViewSet):
diff --git a/SAS/TMSS/src/tmss/urls.py b/SAS/TMSS/src/tmss/urls.py
index d1afc07d461104a2985bdef261cee836a92fc923..c8349448bdc8bec2c0071547af8dd4104de26d9b 100644
--- a/SAS/TMSS/src/tmss/urls.py
+++ b/SAS/TMSS/src/tmss/urls.py
@@ -87,7 +87,7 @@ router.register(r'cycle', viewsets.CycleViewSet)
 router.register(r'project', viewsets.ProjectViewSet)
 router.register(r'resource_unit', viewsets.ResourceUnitViewSet)
 router.register(r'resource_type', viewsets.ResourceTypeViewSet)
-router.register(r'project_quotum', viewsets.ProjectQuotumViewSet)
+router.register(r'project_quota', viewsets.ProjectQuotaViewSet)
 
 router.register(r'scheduling_set', viewsets.SchedulingSetViewSet)
 router.register(r'scheduling_unit_draft', viewsets.SchedulingUnitDraftViewSet)
diff --git a/SAS/TMSS/test/t_tmssapp_specification_REST_API.py b/SAS/TMSS/test/t_tmssapp_specification_REST_API.py
index e991c6e648948a0bf672bafece4ac84b4f4ba505..55b04c17fa0d48881019f0cdf273485fb458e1cc 100755
--- a/SAS/TMSS/test/t_tmssapp_specification_REST_API.py
+++ b/SAS/TMSS/test/t_tmssapp_specification_REST_API.py
@@ -810,84 +810,84 @@ class ResourceTypeTestCase(unittest.TestCase):
         url = r_dict['url']
         GET_and_assert_expected_response(self, url, 200, resource_type_test_data)
   
-class ProjectQuotumTestCase(unittest.TestCase):
-    def test_project_quotum_list_apiformat(self):
-        r = requests.get(BASE_URL + '/project_quotum/?format=api', auth=AUTH)
+class ProjectQuotaTestCase(unittest.TestCase):
+    def test_project_quota_list_apiformat(self):
+        r = requests.get(BASE_URL + '/project_quota/?format=api', auth=AUTH)
         self.assertEqual(r.status_code, 200)
-        self.assertTrue("Project Quotum List" in r.content.decode('utf8'))
+        self.assertTrue("Project Quota List" in r.content.decode('utf8'))
    
-    def test_project_quotum_GET_nonexistant_raises_error(self):
-        GET_and_assert_expected_response(self, BASE_URL + '/project_quotum/1234321/', 404, {})
+    def test_project_quota_GET_nonexistant_raises_error(self):
+        GET_and_assert_expected_response(self, BASE_URL + '/project_quota/1234321/', 404, {})
 
-    def test_project_quotum_POST_and_GET(self):
-        project_quotum_test_data = test_data_creator.ProjectQuotum()
+    def test_project_quota_POST_and_GET(self):
+        project_quota_test_data = test_data_creator.ProjectQuota()
 
         # POST and GET a new item and assert correctness
-        r_dict = POST_and_assert_expected_response(self, BASE_URL + '/project_quotum/', project_quotum_test_data, 201, project_quotum_test_data)
+        r_dict = POST_and_assert_expected_response(self, BASE_URL + '/project_quota/', project_quota_test_data, 201, project_quota_test_data)
         url = r_dict['url']
-        GET_and_assert_expected_response(self, url, 200, project_quotum_test_data)
+        GET_and_assert_expected_response(self, url, 200, project_quota_test_data)
 
-    def test_project_quotum_POST_and_GET(self):
-        project_quotum_test_data = test_data_creator.ProjectQuotum()
+    def test_project_quota_POST_and_GET(self):
+        project_quota_test_data = test_data_creator.ProjectQuota()
 
         # POST and GET a new item and assert correctness
-        r_dict = POST_and_assert_expected_response(self, BASE_URL + '/project_quotum/', project_quotum_test_data, 201, project_quotum_test_data)
+        r_dict = POST_and_assert_expected_response(self, BASE_URL + '/project_quota/', project_quota_test_data, 201, project_quota_test_data)
         url = r_dict['url']
-        GET_and_assert_expected_response(self, url, 200, project_quotum_test_data)
+        GET_and_assert_expected_response(self, url, 200, project_quota_test_data)
   
 
-    def test_project_quotum_PUT_invalid_raises_error(self):
-        PUT_and_assert_expected_response(self, BASE_URL + '/project_quotum/9876789876/', test_data_creator.Project(), 404, {})
+    def test_project_quota_PUT_invalid_raises_error(self):
+        PUT_and_assert_expected_response(self, BASE_URL + '/project_quota/9876789876/', test_data_creator.Project(), 404, {})
 
-    def test_project_quotum_PUT(self):
-        project_quotum_test_data = test_data_creator.ProjectQuotum()
+    def test_project_quota_PUT(self):
+        project_quota_test_data = test_data_creator.ProjectQuota()
 
         # POST new item, verify
-        r_dict = POST_and_assert_expected_response(self, BASE_URL + '/project_quotum/', project_quotum_test_data, 201, project_quotum_test_data)
+        r_dict = POST_and_assert_expected_response(self, BASE_URL + '/project_quota/', project_quota_test_data, 201, project_quota_test_data)
         url = r_dict['url']
-        GET_and_assert_expected_response(self, url, 200, project_quotum_test_data)
+        GET_and_assert_expected_response(self, url, 200, project_quota_test_data)
 
         # PUT new values, verify
-        test_data = dict(test_data_creator.ProjectQuotum("other description"))
-        test_data['name'] = project_quotum_test_data['name']  # since name is PK, need to keep that unchanged
+        test_data = dict(test_data_creator.ProjectQuota("other description"))
+        test_data['name'] = project_quota_test_data['name']  # since name is PK, need to keep that unchanged
         PUT_and_assert_expected_response(self, url, test_data, 200, test_data)
         GET_and_assert_expected_response(self, url, 200, test_data)
 
-    def test_project_quotum_PATCH(self):
-        project_quotum_test_data = test_data_creator.ProjectQuotum()
+    def test_project_quota_PATCH(self):
+        project_quota_test_data = test_data_creator.ProjectQuota()
 
         # POST new item, verify
-        r_dict = POST_and_assert_expected_response(self, BASE_URL + '/project_quotum/', project_quotum_test_data, 201, project_quotum_test_data)
+        r_dict = POST_and_assert_expected_response(self, BASE_URL + '/project_quota/', project_quota_test_data, 201, project_quota_test_data)
         url = r_dict['url']
-        GET_and_assert_expected_response(self, url, 200, project_quotum_test_data)
+        GET_and_assert_expected_response(self, url, 200, project_quota_test_data)
 
         test_patch = {"resource_quota": 500}
 
         # PATCH item and verify
         PATCH_and_assert_expected_response(self, url, test_patch, 200, test_patch)
-        expected_data = dict(project_quotum_test_data)
+        expected_data = dict(project_quota_test_data)
         expected_data.update(test_patch)
         GET_and_assert_expected_response(self, url, 200, expected_data)
 
-    def test_project_quotum_DELETE(self):
-        project_quotum_test_data = test_data_creator.ProjectQuotum()
+    def test_project_quota_DELETE(self):
+        project_quota_test_data = test_data_creator.ProjectQuota()
 
         # POST new item, verify
-        r_dict = POST_and_assert_expected_response(self, BASE_URL + '/project_quotum/', project_quotum_test_data, 201, project_quotum_test_data)
+        r_dict = POST_and_assert_expected_response(self, BASE_URL + '/project_quota/', project_quota_test_data, 201, project_quota_test_data)
         url = r_dict['url']
-        GET_and_assert_expected_response(self, url, 200, project_quotum_test_data)
+        GET_and_assert_expected_response(self, url, 200, project_quota_test_data)
 
         # DELETE and check it's gone
         DELETE_and_assert_gone(self, url)
 
-    def test_project_quotum_PROTECT_behavior_on_project_deleted(self):
+    def test_project_quota_PROTECT_behavior_on_project_deleted(self):
 
         # POST new item with dependencies
         project_test_data = test_data_creator.Project()
         project_url = POST_and_assert_expected_response(self, BASE_URL + '/project/', project_test_data, 201, project_test_data)['url']
         
-        test_data = dict(test_data_creator.ProjectQuotum(project_url=project_url))
-        url = POST_and_assert_expected_response(self, BASE_URL + '/project_quotum/', test_data, 201, test_data)['url']
+        test_data = dict(test_data_creator.ProjectQuota(project_url=project_url))
+        url = POST_and_assert_expected_response(self, BASE_URL + '/project_quota/', test_data, 201, test_data)['url']
 
         # verify
         GET_and_assert_expected_response(self, url, 200, test_data)
diff --git a/SAS/TMSS/test/t_tmssapp_specification_django_API.py b/SAS/TMSS/test/t_tmssapp_specification_django_API.py
index 4f9e5514dac008358852a13ca65bf1ee4237eef2..96755c50846fe04d203d18a84116bd99ff93dedc 100755
--- a/SAS/TMSS/test/t_tmssapp_specification_django_API.py
+++ b/SAS/TMSS/test/t_tmssapp_specification_django_API.py
@@ -234,11 +234,11 @@ class ProjectTest(unittest.TestCase):
         self.assertGreater(after, entry.updated_at)
 
 
-class ProjectQuotumTest(unittest.TestCase):
-    def test_ProjectQuotum_gets_created_with_correct_creation_timestamp(self):
+class ProjectQuotaTest(unittest.TestCase):
+    def test_ProjectQuota_gets_created_with_correct_creation_timestamp(self):
         # setup
         before = datetime.utcnow()
-        entry = models.ProjectQuotum.objects.create(**ProjectQuotum_test_data())
+        entry = models.ProjectQuota.objects.create(**ProjectQuota_test_data())
 
         after = datetime.utcnow()
 
@@ -246,9 +246,9 @@ class ProjectQuotumTest(unittest.TestCase):
         self.assertLess(before, entry.created_at)
         self.assertGreater(after, entry.created_at)
 
-    def test_ProjectQuotum_update_timestamp_gets_changed_correctly(self):
+    def test_ProjectQuota_update_timestamp_gets_changed_correctly(self):
         # setup
-        entry = models.ProjectQuotum.objects.create(**ProjectQuotum_test_data())
+        entry = models.ProjectQuota.objects.create(**ProjectQuota_test_data())
         before = datetime.utcnow()
         entry.save()
         after = datetime.utcnow()
@@ -257,14 +257,14 @@ class ProjectQuotumTest(unittest.TestCase):
         self.assertLess(before, entry.updated_at)
         self.assertGreater(after, entry.updated_at)
 
-    def test_ProjectQuotum_prevents_missing_project(self):
+    def test_ProjectQuota_prevents_missing_project(self):
         # setup
-        test_data = dict(ProjectQuotum_test_data())
+        test_data = dict(ProjectQuota_test_data())
         test_data['project'] = None
 
         # assert
         with self.assertRaises(IntegrityError):
-            models.ProjectQuotum.objects.create(**test_data)
+            models.ProjectQuota.objects.create(**test_data)
 
 
 class SchedulingSetTest(unittest.TestCase):
diff --git a/SAS/TMSS/test/tmss_test_data_django_models.py b/SAS/TMSS/test/tmss_test_data_django_models.py
index 130992098a045d87424990111082910c6863529e..9dfdb6639b630c88ceb5d3ddfd8458c7b7228c59 100644
--- a/SAS/TMSS/test/tmss_test_data_django_models.py
+++ b/SAS/TMSS/test/tmss_test_data_django_models.py
@@ -113,14 +113,14 @@ def ResourceType_test_data() -> dict:
         "name": 'my_resource_type_' + str(uuid.uuid4()),
      }
 
-def ProjectQuotum_test_data() -> dict:
+def ProjectQuota_test_data() -> dict:
    return  { 
         "tags": [],
         "description": 'my description ' + str(uuid.uuid4()),
         "resource_quota": '1000',
         "project": models.Project.objects.create(**Project_test_data()),
         "resource_type": models.ResourceType.objects.create(**ResourceType_test_data()),
-        "name": 'my_project_quotum_' + str(uuid.uuid4()),
+        "name": 'my_project_quota_' + str(uuid.uuid4()),
     }
   
 def SchedulingSet_test_data(name="my_scheduling_set") -> dict:
diff --git a/SAS/TMSS/test/tmss_test_data_rest.py b/SAS/TMSS/test/tmss_test_data_rest.py
index 47e7b94a607dc5fa6430407f5493984d84bfd9dd..d6ee684fda53b9e50127b036251bd3c579f01839 100644
--- a/SAS/TMSS/test/tmss_test_data_rest.py
+++ b/SAS/TMSS/test/tmss_test_data_rest.py
@@ -110,7 +110,7 @@ class TMSSRESTTestDataCreator():
         return {"name": 'my_project_' + str(uuid.uuid4()),
                 "description": description,
                 "tags": [],
-                "project_quotums": [],
+                "project_quota": [],
                 "priority": 1,
                 "can_trigger": False,
                 "private_data": True}
@@ -123,7 +123,7 @@ class TMSSRESTTestDataCreator():
                 "name": 'my_resource_unit_' + str(uuid.uuid4())
             }
 
-    def ResourceType(self, description="my project quotum description", resource_url=None):
+    def ResourceType(self, description="my project quota description", resource_url=None):
         if resource_url is None:
             resource_url = self.post_data_and_get_url(self.ResourceUnit(), '/resource_unit/')
         return {
@@ -135,14 +135,14 @@ class TMSSRESTTestDataCreator():
 
     
 
-    def ProjectQuotum(self, description="my project quotum description", project_url=None, resource_url=None):
+    def ProjectQuota(self, description="my project quota description", project_url=None, resource_url=None):
         if project_url is None:
             project_url = self.post_data_and_get_url(self.Project(), '/project/')
         if resource_url is None:
             resource_url = self.post_data_and_get_url(self.ResourceType(), '/resource_type/')
 
         return {
-            "name": 'my_project_quotum_' + str(uuid.uuid4()),
+            "name": 'my_project_quota_' + str(uuid.uuid4()),
             "description": description,
             "tags": [],
             "resource_quota": 1000,