diff --git a/src/forecaster/tests/data/inject_samples.py b/src/forecaster/tests/data/inject_samples.py
index 12a7f494f3ea7b0592ab2190754f5a76f1766ae2..e77cd950828f27e5557ea575d7e9c9b55aabb315 100644
--- a/src/forecaster/tests/data/inject_samples.py
+++ b/src/forecaster/tests/data/inject_samples.py
@@ -1,3 +1,18 @@
+# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (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 logging, sys
 from common.proto.kpi_sample_types_pb2 import KpiSampleType
 from common.proto.monitoring_pb2 import Kpi, KpiDescriptor