diff --git a/makefiles/lint/yaml/byrepo/ci-management/yamllint.conf b/makefiles/lint/yaml/byrepo/ci-management/yamllint.conf
index 32d76ab..33c25b5 100644
--- a/makefiles/lint/yaml/byrepo/ci-management/yamllint.conf
+++ b/makefiles/lint/yaml/byrepo/ci-management/yamllint.conf
@@ -6,3 +6,23 @@
   line-length:
     max: 120
 
+# -----------------------------------------------------------------------
+# Copyright 2023-2024 Open Networking Foundation Contributors
+#
+# 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.
+# -----------------------------------------------------------------------
+# SPDX-FileCopyrightText: 2023-2024 Open Networking Foundation Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+# Intent:
+# -----------------------------------------------------------------------
diff --git a/makefiles/lint/yaml/byrepo/voltha-lib-go/include.mk b/makefiles/lint/yaml/byrepo/voltha-lib-go/include.mk
index 6cbd0ea..7f2ebfe 100644
--- a/makefiles/lint/yaml/byrepo/voltha-lib-go/include.mk
+++ b/makefiles/lint/yaml/byrepo/voltha-lib-go/include.mk
@@ -1,12 +1,12 @@
 # -*- makefile -*-
 # -----------------------------------------------------------------------
-# Copyright 2023 Open Networking Foundation (ONF) and the ONF Contributors
+# Copyright 2023-2024 Open Networking Foundation Contributors
 #
 # 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
+# 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,
@@ -14,6 +14,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # -----------------------------------------------------------------------
+# SPDX-FileCopyrightText: 2023-2024 Open Networking Foundation Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+# Intent:
+# -----------------------------------------------------------------------
 
 $(if $(DEBUG),$(warning ENTER))
 
diff --git a/makefiles/lint/yaml/byrepo/voltha-lib-go/repo b/makefiles/lint/yaml/byrepo/voltha-lib-go/repo
index 99e8451..ac63421 100644
--- a/makefiles/lint/yaml/byrepo/voltha-lib-go/repo
+++ b/makefiles/lint/yaml/byrepo/voltha-lib-go/repo
@@ -1 +1,22 @@
-Source from voltha-lib-go
\ No newline at end of file
+Source from voltha-lib-go
+
+# -----------------------------------------------------------------------
+# Copyright 2023-2024 Open Networking Foundation Contributors
+#
+# 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.
+# -----------------------------------------------------------------------
+# SPDX-FileCopyrightText: 2023-2024 Open Networking Foundation Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+# Intent:
+# -----------------------------------------------------------------------
diff --git a/makefiles/lint/yaml/byrepo/voltha-lib-go/todo b/makefiles/lint/yaml/byrepo/voltha-lib-go/todo
index 8400c64..4fb071f 100644
--- a/makefiles/lint/yaml/byrepo/voltha-lib-go/todo
+++ b/makefiles/lint/yaml/byrepo/voltha-lib-go/todo
@@ -1,6 +1,23 @@
 # -*- makefile -*-
 # -----------------------------------------------------------------------
-# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
+# Copyright 2017-2024 Open Networking Foundation Contributors
+#
+# 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.
+# -----------------------------------------------------------------------
+# SPDX-FileCopyrightText: 2017-2024 Open Networking Foundation Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+# Intent:
 # -----------------------------------------------------------------------
 
 ##-------------------##
diff --git a/makefiles/lint/yaml/byrepo/voltha-lib-go/urls b/makefiles/lint/yaml/byrepo/voltha-lib-go/urls
index 8747658..895d528 100644
--- a/makefiles/lint/yaml/byrepo/voltha-lib-go/urls
+++ b/makefiles/lint/yaml/byrepo/voltha-lib-go/urls
@@ -1,5 +1,25 @@
 # -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2023-2024 Open Networking Foundation Contributors
+#
+# 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.
+# -----------------------------------------------------------------------
+# SPDX-FileCopyrightText: 2023-2024 Open Networking Foundation Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+# Intent:
+# -----------------------------------------------------------------------
 
 https://yamllint.readthedocs.io/en/stable/configuration.html
 
-# [EOF]
\ No newline at end of file
+# [EOF]
diff --git a/makefiles/lint/yaml/find_utils.mk b/makefiles/lint/yaml/find_utils.mk
index 49d4cb0..dcb1842 100644
--- a/makefiles/lint/yaml/find_utils.mk
+++ b/makefiles/lint/yaml/find_utils.mk
@@ -1,5 +1,22 @@
 # -*- makefile -*-
 # -----------------------------------------------------------------------
+# Copyright 2023-2024 Open Networking Foundation Contributors
+#
+# 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.
+# -----------------------------------------------------------------------
+# SPDX-FileCopyrightText: 2023-2024 Open Networking Foundation Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
 # Intent:
 #   o Construct a find command able to gather python files with filtering.
 #   o Used by library makefiles flake8.mk and pylint.mk for iteration.
diff --git a/makefiles/lint/yaml/help.mk b/makefiles/lint/yaml/help.mk
index ef8621e..a170834 100644
--- a/makefiles/lint/yaml/help.mk
+++ b/makefiles/lint/yaml/help.mk
@@ -1,12 +1,12 @@
 # -*- makefile -*-
 # -----------------------------------------------------------------------
-# Copyright 2017-2023 Open Networking Foundation (ONF) and the ONF Contributors
+# Copyright 2017-2024 Open Networking Foundation Contributors
 #
 # 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
+# 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,
@@ -14,6 +14,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # -----------------------------------------------------------------------
+# SPDX-FileCopyrightText: 2017-2024 Open Networking Foundation Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+# Intent:
+# -----------------------------------------------------------------------
 
 $(if $(DEBUG),$(warning ENTER))
 
diff --git a/makefiles/lint/yaml/include.mk b/makefiles/lint/yaml/include.mk
index 26c4a7f..28fe608 100644
--- a/makefiles/lint/yaml/include.mk
+++ b/makefiles/lint/yaml/include.mk
@@ -1,12 +1,12 @@
 # -*- makefile -*-
 # -----------------------------------------------------------------------
-# Copyright 2017-2023 Open Networking Foundation (ONF) and the ONF Contributors
+# Copyright 2017-2024 Open Networking Foundation Contributors
 #
 # 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
+# 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,
@@ -14,6 +14,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # -----------------------------------------------------------------------
+# SPDX-FileCopyrightText: 2017-2024 Open Networking Foundation Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+# Intent:
+# -----------------------------------------------------------------------
 
 ifndef --onf-mk-lint-yaml--
 
diff --git a/makefiles/lint/yaml/yamllint.mk b/makefiles/lint/yaml/yamllint.mk
index 1563c7c..ed0df2c 100644
--- a/makefiles/lint/yaml/yamllint.mk
+++ b/makefiles/lint/yaml/yamllint.mk
@@ -1,12 +1,12 @@
 # -*- makefile -*-
 # -----------------------------------------------------------------------
-# Copyright 2017-2023 Open Networking Foundation (ONF) and the ONF Contributors
+# Copyright 2017-2024 Open Networking Foundation Contributors
 #
-# Licensed under the Apache License, Version 2.0 (the "License")
+# 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
+# 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,
@@ -14,6 +14,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # -----------------------------------------------------------------------
+# SPDX-FileCopyrightText: 2017-2024 Open Networking Foundation Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+# Intent:
+# -----------------------------------------------------------------------
 
 $(if $(DEBUG),$(warning ENTER))