diff --git a/src/service/service/service_handler_api/FilterFields.py b/src/service/service/service_handler_api/FilterFields.py
index 30e597f31707b0f1cf9eb52afd1e2d0408af30a1..494e59e3c6698c6ae052e1f4b35b7a56e8dc3fba 100644
--- a/src/service/service/service_handler_api/FilterFields.py
+++ b/src/service/service/service_handler_api/FilterFields.py
@@ -27,7 +27,7 @@ SERVICE_TYPE_VALUES = {
     ServiceTypeEnum.SERVICETYPE_TE,
     ServiceTypeEnum.SERVICETYPE_E2E,
     ServiceTypeEnum.SERVICETYPE_OPTICAL_CONNECTIVITY,
-    ServiceTypeEnum.SERVICETYPE_QKD
+    ServiceTypeEnum.SERVICETYPE_QKD,
 }
 
 DEVICE_DRIVER_VALUES = {
@@ -43,7 +43,7 @@ DEVICE_DRIVER_VALUES = {
     DeviceDriverEnum.DEVICEDRIVER_OPTICAL_TFS,
     DeviceDriverEnum.DEVICEDRIVER_IETF_ACTN,
     DeviceDriverEnum.DEVICEDRIVER_OC,
-    DeviceDriverEnum.DEVICEDRIVER_QKD
+    DeviceDriverEnum.DEVICEDRIVER_QKD,
 }
 
 # Map allowed filter fields to allowed values per Filter field. If no restriction (free text) None is specified
diff --git a/src/service/service/service_handlers/qkd/__init__.py b/src/service/service/service_handlers/qkd/__init__.py
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..3ee6f7071f145e06c3aeaefc09a43ccd88e619e3 100644
--- a/src/service/service/service_handlers/qkd/__init__.py
+++ b/src/service/service/service_handlers/qkd/__init__.py
@@ -0,0 +1,14 @@
+# Copyright 2022-2024 ETSI OSG/SDG TeraFlowSDN (TFS) (https://tfs.etsi.org/)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
diff --git a/src/service/service/service_handlers/qkd/qkd_service_handler.py b/src/service/service/service_handlers/qkd/qkd_service_handler.py
index 867fa47817bae401213c1e76474ed2dd69692a35..76c67867ee2f4bae60b8dd6e187f221f2efc1eb0 100644
--- a/src/service/service/service_handlers/qkd/qkd_service_handler.py
+++ b/src/service/service/service_handlers/qkd/qkd_service_handler.py
@@ -1,3 +1,18 @@
+# Copyright 2022-2024 ETSI OSG/SDG TeraFlowSDN (TFS) (https://tfs.etsi.org/)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 import json, logging, uuid
 from typing import Any, Dict, List, Optional, Tuple, Union
 from common.method_wrappers.Decorator import MetricsPool, metered_subclass_method