diff --git a/internal/pkg/core/common.go b/internal/pkg/core/common.go
index c18ae16..0878471 100755
--- a/internal/pkg/core/common.go
+++ b/internal/pkg/core/common.go
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-present Open Networking Foundation
+ * Copyright 2020-2023 Open Networking Foundation (ONF) and the ONF Contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/internal/pkg/core/device_handler.go b/internal/pkg/core/device_handler.go
index 5910f5f..e227543 100755
--- a/internal/pkg/core/device_handler.go
+++ b/internal/pkg/core/device_handler.go
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-present Open Networking Foundation
+ * Copyright 2020-2023 Open Networking Foundation (ONF) and the ONF Contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/internal/pkg/core/openonu.go b/internal/pkg/core/openonu.go
index f502c31..5192850 100755
--- a/internal/pkg/core/openonu.go
+++ b/internal/pkg/core/openonu.go
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-present Open Networking Foundation
+ * Copyright 2020-2023 Open Networking Foundation (ONF) and the ONF Contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/internal/pkg/core/openonuInterAdapter.go b/internal/pkg/core/openonuInterAdapter.go
index 8e9bdec..11aad8c 100644
--- a/internal/pkg/core/openonuInterAdapter.go
+++ b/internal/pkg/core/openonuInterAdapter.go
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-present Open Networking Foundation
+ * Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/internal/pkg/core/openonuimpl.go b/internal/pkg/core/openonuimpl.go
index 8017d48..4d08426 100755
--- a/internal/pkg/core/openonuimpl.go
+++ b/internal/pkg/core/openonuimpl.go
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-present Open Networking Foundation
+ * Copyright 2020-2023 Open Networking Foundation (ONF) and the ONF Contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.