diff --git a/internal/pkg/core/olt_state_transitions.go b/internal/pkg/core/olt_state_transitions.go
index 6b04b94..73f75f7 100644
--- a/internal/pkg/core/olt_state_transitions.go
+++ b/internal/pkg/core/olt_state_transitions.go
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-present Open Networking Foundation
+ * Copyright 2018-2023 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/openolt.go b/internal/pkg/core/openolt.go
index 6115ec5..914b27d 100644
--- a/internal/pkg/core/openolt.go
+++ b/internal/pkg/core/openolt.go
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-present Open Networking Foundation
+ * Copyright 2018-2023 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/openolt_eventmgr_test.go b/internal/pkg/core/openolt_eventmgr_test.go
index 63361ce..c7fd75b 100644
--- a/internal/pkg/core/openolt_eventmgr_test.go
+++ b/internal/pkg/core/openolt_eventmgr_test.go
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-present Open Networking Foundation
+ * Copyright 2018-2023 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/openolt_flowmgr_test.go b/internal/pkg/core/openolt_flowmgr_test.go
index 0c94e94..7dc83b7 100644
--- a/internal/pkg/core/openolt_flowmgr_test.go
+++ b/internal/pkg/core/openolt_flowmgr_test.go
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-present Open Networking Foundation
+ * Copyright 2018-2023 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/resourcemanager/resourcemanager.go b/internal/pkg/resourcemanager/resourcemanager.go
index af281f4..c6aa848 100755
--- a/internal/pkg/resourcemanager/resourcemanager.go
+++ b/internal/pkg/resourcemanager/resourcemanager.go
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019-present Open Networking Foundation
+ * Copyright 2019-2023 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.