diff --git a/operations/fhir_resources_audit/constants.py b/operations/fhir_resources_audit/constants.py
index 27a15616..e4c36b08 100644
--- a/operations/fhir_resources_audit/constants.py
+++ b/operations/fhir_resources_audit/constants.py
@@ -1,3 +1,17 @@
+#    Copyright 2023 Google LLC
+
+#    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.
+
 """Define all configs here"""
 
 
diff --git a/operations/fhir_resources_audit/main.py b/operations/fhir_resources_audit/main.py
index 16806f23..a6014506 100644
--- a/operations/fhir_resources_audit/main.py
+++ b/operations/fhir_resources_audit/main.py
@@ -1,3 +1,18 @@
+#    Copyright 2023 Google LLC
+
+#    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 re
 import logging
 import sys
diff --git a/operations/fhir_resources_audit/utils.py b/operations/fhir_resources_audit/utils.py
index 1ef4a5fa..24117da1 100644
--- a/operations/fhir_resources_audit/utils.py
+++ b/operations/fhir_resources_audit/utils.py
@@ -1,3 +1,16 @@
+#    Copyright 2023 Google LLC
+
+#    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 os
 import json