diff --git a/lib/xos-genx/tests/attics/xosmodel_bottom.py b/lib/xos-genx/tests/attics/xosmodel_bottom.py
index d71c506..8e28718 100644
--- a/lib/xos-genx/tests/attics/xosmodel_bottom.py
+++ b/lib/xos-genx/tests/attics/xosmodel_bottom.py
@@ -1,2 +1,18 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# 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.
+
+
 def bottom():
     return 'bottom'
\ No newline at end of file
diff --git a/lib/xos-genx/tests/attics/xosmodel_header.py b/lib/xos-genx/tests/attics/xosmodel_header.py
index cafc869..044eb4e 100644
--- a/lib/xos-genx/tests/attics/xosmodel_header.py
+++ b/lib/xos-genx/tests/attics/xosmodel_header.py
@@ -1,2 +1,18 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# 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.
+
+
 def header():
     return 'header'
\ No newline at end of file
diff --git a/lib/xos-genx/tests/attics/xosmodel_model.py b/lib/xos-genx/tests/attics/xosmodel_model.py
index 78e3e63..ca48b14 100644
--- a/lib/xos-genx/tests/attics/xosmodel_model.py
+++ b/lib/xos-genx/tests/attics/xosmodel_model.py
@@ -1,2 +1,18 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# 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.
+
+
 def model():
     return 'model'
\ No newline at end of file
diff --git a/lib/xos-genx/tests/attics/xosmodel_top.py b/lib/xos-genx/tests/attics/xosmodel_top.py
index 93dbd0d..2d0adcb 100644
--- a/lib/xos-genx/tests/attics/xosmodel_top.py
+++ b/lib/xos-genx/tests/attics/xosmodel_top.py
@@ -1,2 +1,18 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# 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.
+
+
 def top():
     return 'top'
\ No newline at end of file