diff --git a/.flake8 b/.flake8
index 8b853cf..c8dda76 100644
--- a/.flake8
+++ b/.flake8
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index e03527a..eb10b06 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -1,4 +1,5 @@
 ---
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/.gitignore b/.gitignore
index 20b5059..e3766f4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 636d542..6802099 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,4 +1,5 @@
 ---
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index bf9b7ac..9ac8cc4 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: © 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/README.md b/README.md
index a0557ce..0add3d5 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: © 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/REUSE.toml b/REUSE.toml
index 4ff5d54..3c2c154 100644
--- a/REUSE.toml
+++ b/REUSE.toml
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/docs/Home.md b/docs/Home.md
index ebb7e53..c8c7f49 100644
--- a/docs/Home.md
+++ b/docs/Home.md
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/docs/Home/Back-end-Simulation-Solvers.md b/docs/Home/Back-end-Simulation-Solvers.md
index 47d16fb..4600f63 100644
--- a/docs/Home/Back-end-Simulation-Solvers.md
+++ b/docs/Home/Back-end-Simulation-Solvers.md
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/docs/Home/Classes.md b/docs/Home/Classes.md
index 348ab2f..a806424 100644
--- a/docs/Home/Classes.md
+++ b/docs/Home/Classes.md
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/docs/Home/Front-end-Files-IO.md b/docs/Home/Front-end-Files-IO.md
index ea6fb89..f9a12d6 100644
--- a/docs/Home/Front-end-Files-IO.md
+++ b/docs/Home/Front-end-Files-IO.md
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/docs/Home/Installation-and-Configuration.md b/docs/Home/Installation-and-Configuration.md
index d4605af..1bf5469 100644
--- a/docs/Home/Installation-and-Configuration.md
+++ b/docs/Home/Installation-and-Configuration.md
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/docs/Home/Integrated-Flows.md b/docs/Home/Integrated-Flows.md
index 345648f..9405221 100644
--- a/docs/Home/Integrated-Flows.md
+++ b/docs/Home/Integrated-Flows.md
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/docs/Home/Mid-layer-Platform.md b/docs/Home/Mid-layer-Platform.md
index 990db65..fdcea36 100644
--- a/docs/Home/Mid-layer-Platform.md
+++ b/docs/Home/Mid-layer-Platform.md
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/docs/Home/Overview-of-the-Application.md b/docs/Home/Overview-of-the-Application.md
index 944650b..650b2fc 100644
--- a/docs/Home/Overview-of-the-Application.md
+++ b/docs/Home/Overview-of-the-Application.md
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/docs/Home/Starter-Kit-for-Linux-Users.md b/docs/Home/Starter-Kit-for-Linux-Users.md
index 13f13b8..1d108bf 100644
--- a/docs/Home/Starter-Kit-for-Linux-Users.md
+++ b/docs/Home/Starter-Kit-for-Linux-Users.md
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/docs/Home/Starter-Kit-for-Windows-Users.md b/docs/Home/Starter-Kit-for-Windows-Users.md
index 30be144..ec3dafa 100644
--- a/docs/Home/Starter-Kit-for-Windows-Users.md
+++ b/docs/Home/Starter-Kit-for-Windows-Users.md
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/docs/Home/User-Manual.md b/docs/Home/User-Manual.md
index 691c3db..d6eb122 100644
--- a/docs/Home/User-Manual.md
+++ b/docs/Home/User-Manual.md
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/__init__.py b/opensipi/__init__.py
index 49a7ed8..6c1f6c5 100644
--- a/opensipi/__init__.py
+++ b/opensipi/__init__.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/constants/CONSTANTS.py b/opensipi/constants/CONSTANTS.py
index 1941b54..715ed34 100644
--- a/opensipi/constants/CONSTANTS.py
+++ b/opensipi/constants/CONSTANTS.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/constants/__init__.py b/opensipi/constants/__init__.py
index 2c55cc7..de3d42b 100644
--- a/opensipi/constants/__init__.py
+++ b/opensipi/constants/__init__.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/file_in.py b/opensipi/file_in.py
index 9e6ebaf..ef3a7ea 100644
--- a/opensipi/file_in.py
+++ b/opensipi/file_in.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/gdrive_io.py b/opensipi/gdrive_io.py
index 8a883cc..6b56257 100644
--- a/opensipi/gdrive_io.py
+++ b/opensipi/gdrive_io.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/gsheet_io.py b/opensipi/gsheet_io.py
index 1da35b9..dd334b1 100644
--- a/opensipi/gsheet_io.py
+++ b/opensipi/gsheet_io.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/integrated_flows.py b/opensipi/integrated_flows.py
index e70ea31..6fd2e7b 100644
--- a/opensipi/integrated_flows.py
+++ b/opensipi/integrated_flows.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/sigrity_exec.py b/opensipi/sigrity_exec.py
index 73f44f8..c91c86d 100644
--- a/opensipi/sigrity_exec.py
+++ b/opensipi/sigrity_exec.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/sigrity_tools.py b/opensipi/sigrity_tools.py
index 972bf2c..d76c879 100644
--- a/opensipi/sigrity_tools.py
+++ b/opensipi/sigrity_tools.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/sipi_infra.py b/opensipi/sipi_infra.py
index 59a02e3..cae967e 100644
--- a/opensipi/sipi_infra.py
+++ b/opensipi/sipi_infra.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/templates/proc_common.tcl b/opensipi/templates/proc_common.tcl
index fc7fb31..4168ce6 100644
--- a/opensipi/templates/proc_common.tcl
+++ b/opensipi/templates/proc_common.tcl
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/templates/reports/IO_Type1.html b/opensipi/templates/reports/IO_Type1.html
index af51a29..7e3735d 100644
--- a/opensipi/templates/reports/IO_Type1.html
+++ b/opensipi/templates/reports/IO_Type1.html
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: © 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/templates/reports/PDN_Type1.html b/opensipi/templates/reports/PDN_Type1.html
index a08d8ce..60534c2 100644
--- a/opensipi/templates/reports/PDN_Type1.html
+++ b/opensipi/templates/reports/PDN_Type1.html
@@ -1,4 +1,5 @@
 <!--
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: © 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/templates/temp_check.tcl b/opensipi/templates/temp_check.tcl
index 729101d..2d3b479 100644
--- a/opensipi/templates/temp_check.tcl
+++ b/opensipi/templates/temp_check.tcl
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/templates/temp_materials.cmx.license b/opensipi/templates/temp_materials.cmx.license
index d6c330b..0624e74 100644
--- a/opensipi/templates/temp_materials.cmx.license
+++ b/opensipi/templates/temp_materials.cmx.license
@@ -1,3 +1,4 @@
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: © 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/templates/temp_mk_parent_spd.tcl b/opensipi/templates/temp_mk_parent_spd.tcl
index f018f1e..f28151f 100644
--- a/opensipi/templates/temp_mk_parent_spd.tcl
+++ b/opensipi/templates/temp_mk_parent_spd.tcl
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/templates/temp_mk_parent_spd_from_spd.tcl b/opensipi/templates/temp_mk_parent_spd_from_spd.tcl
index 88406be..4252222 100644
--- a/opensipi/templates/temp_mk_parent_spd_from_spd.tcl
+++ b/opensipi/templates/temp_mk_parent_spd_from_spd.tcl
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/templates/temp_multiterm_ckt.tcl b/opensipi/templates/temp_multiterm_ckt.tcl
index 16cafa6..96050ec 100644
--- a/opensipi/templates/temp_multiterm_ckt.tcl
+++ b/opensipi/templates/temp_multiterm_ckt.tcl
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/templates/temp_reorder_ports.tcl b/opensipi/templates/temp_reorder_ports.tcl
index 20d7157..e86431c 100644
--- a/opensipi/templates/temp_reorder_ports.tcl
+++ b/opensipi/templates/temp_reorder_ports.tcl
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/templates/temp_report.py b/opensipi/templates/temp_report.py
index 87bdb41..07b87f1 100644
--- a/opensipi/templates/temp_report.py
+++ b/opensipi/templates/temp_report.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/templates/temp_run.tcl b/opensipi/templates/temp_run.tcl
index 0197b6d..073a7fe 100644
--- a/opensipi/templates/temp_run.tcl
+++ b/opensipi/templates/temp_run.tcl
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/touchstone.py b/opensipi/touchstone.py
index 225c43d..0a838ce 100644
--- a/opensipi/touchstone.py
+++ b/opensipi/touchstone.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/util/__init__.py b/opensipi/util/__init__.py
index 2c55cc7..de3d42b 100644
--- a/opensipi/util/__init__.py
+++ b/opensipi/util/__init__.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/util/common.py b/opensipi/util/common.py
index 50f058d..c5e9535 100644
--- a/opensipi/util/common.py
+++ b/opensipi/util/common.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/util/exceptions.py b/opensipi/util/exceptions.py
index f6626bb..1872fba 100644
--- a/opensipi/util/exceptions.py
+++ b/opensipi/util/exceptions.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/opensipi/util/logs.py b/opensipi/util/logs.py
index bff1164..47b2a92 100644
--- a/opensipi/util/logs.py
+++ b/opensipi/util/logs.py
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
diff --git a/poetry.lock.license b/poetry.lock.license
index d6c330b..0624e74 100644
--- a/poetry.lock.license
+++ b/poetry.lock.license
@@ -1,3 +1,4 @@
+SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 SPDX-FileCopyrightText: © 2024 Rivos Inc.
 
 SPDX-License-Identifier: Apache-2.0
diff --git a/pyproject.toml b/pyproject.toml
index 81e870c..67a8c9f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) Meta Platforms, Inc. and affiliates.
 # SPDX-FileCopyrightText: © 2024 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0