diff --git a/tacker/common/csar_utils.py b/tacker/common/csar_utils.py
index 5c3f6ece3..62675fa31 100644
--- a/tacker/common/csar_utils.py
+++ b/tacker/common/csar_utils.py
@@ -236,9 +236,11 @@ def _validate_sw_image_data_for_artifacts(tosca):
 
 def _get_data_from_csar(tosca, context, id):
     for tp in tosca.nested_tosca_templates_with_topology:
-        levels = _get_instantiation_levels_from_policy(tp.tpl.get("policies"))
-        for policy_tpl in tp.tpl.get("policies"):
-            _validate_instantiation_levels(policy_tpl, levels)
+        policies = tp.tpl.get("policies")
+        if policies:
+            levels = _get_instantiation_levels_from_policy(policies)
+            for policy_tpl in policies:
+                _validate_instantiation_levels(policy_tpl, levels)
 
     _validate_sw_image_data_for_artifacts(tosca)
     vnf_data = _get_vnf_data(tosca.nodetemplates)
diff --git a/tacker/conductor/conductor_server.py b/tacker/conductor/conductor_server.py
index 2abc8e4af..56f60d48a 100644
--- a/tacker/conductor/conductor_server.py
+++ b/tacker/conductor/conductor_server.py
@@ -179,7 +179,7 @@ class Conductor(manager.Manager):
         deploy_flavour.flavour_id = flavour['flavour_id']
         deploy_flavour.flavour_description = flavour['flavour_description']
         deploy_flavour.instantiation_levels = \
-            flavour['instantiation_levels']
+            flavour.get('instantiation_levels')
         deploy_flavour.create()
 
         sw_images = flavour.get('sw_images')
diff --git a/tacker/tests/etc/samples/csar_without_policies.zip b/tacker/tests/etc/samples/csar_without_policies.zip
new file mode 100644
index 000000000..ec667c175
Binary files /dev/null and b/tacker/tests/etc/samples/csar_without_policies.zip differ
diff --git a/tacker/tests/unit/common/test_csar_utils.py b/tacker/tests/unit/common/test_csar_utils.py
index 29ebb3ed6..7a3d9a759 100644
--- a/tacker/tests/unit/common/test_csar_utils.py
+++ b/tacker/tests/unit/common/test_csar_utils.py
@@ -162,3 +162,14 @@ class TestCSARUtils(testtools.TestCase):
         csar_utils.delete_csar_data(constants.UUID)
         mock_rmtree.assert_called()
         mock_remove.assert_called()
+
+    @mock.patch('tacker.common.csar_utils._extract_csar_zip_file')
+    def test_load_csar_data_without_policies(
+            self, mock_extract_csar_zip_file):
+        file_path = os.path.join(
+            self.base_path, "../../etc/samples/"
+                            "csar_without_policies.zip")
+        vnf_data, flavours = csar_utils.load_csar_data(
+            self.context, constants.UUID, file_path)
+        self.assertIsNone(flavours[0].get('instantiation_levels'))
+        self.assertEqual(vnf_data['descriptor_version'], '1.0')