diff --git a/tests/AppTest.cpp b/tests/AppTest.cpp
index b77923c..1dc6e54 100644
--- a/tests/AppTest.cpp
+++ b/tests/AppTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "app_helper.hpp"
 #include <complex>
 #include <cstdint>
diff --git a/tests/ConfigFileTest.cpp b/tests/ConfigFileTest.cpp
index de2a970..ba120f4 100644
--- a/tests/ConfigFileTest.cpp
+++ b/tests/ConfigFileTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "app_helper.hpp"
 
 #include "gmock/gmock.h"
diff --git a/tests/CreationTest.cpp b/tests/CreationTest.cpp
index 1a827c2..648c4ae 100644
--- a/tests/CreationTest.cpp
+++ b/tests/CreationTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "app_helper.hpp"
 #include <cstdlib>
 
diff --git a/tests/DeprecatedTest.cpp b/tests/DeprecatedTest.cpp
index bab6ed4..a8f4197 100644
--- a/tests/DeprecatedTest.cpp
+++ b/tests/DeprecatedTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "app_helper.hpp"
 
 #include "gmock/gmock.h"
diff --git a/tests/FormatterTest.cpp b/tests/FormatterTest.cpp
index 47766a8..fd25478 100644
--- a/tests/FormatterTest.cpp
+++ b/tests/FormatterTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #ifdef CLI11_SINGLE_FILE
 #include "CLI11.hpp"
 #else
diff --git a/tests/HelpTest.cpp b/tests/HelpTest.cpp
index e817669..0f60163 100644
--- a/tests/HelpTest.cpp
+++ b/tests/HelpTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #ifdef CLI11_SINGLE_FILE
 #include "CLI11.hpp"
 #else
diff --git a/tests/HelpersTest.cpp b/tests/HelpersTest.cpp
index a23f007..e56cbf3 100644
--- a/tests/HelpersTest.cpp
+++ b/tests/HelpersTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "app_helper.hpp"
 
 #include <array>
diff --git a/tests/NewParseTest.cpp b/tests/NewParseTest.cpp
index 4a79b44..f6e5f73 100644
--- a/tests/NewParseTest.cpp
+++ b/tests/NewParseTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "app_helper.hpp"
 #include "gmock/gmock.h"
 #include <complex>
diff --git a/tests/OptionGroupTest.cpp b/tests/OptionGroupTest.cpp
index 49ffc5c..51bb9fd 100644
--- a/tests/OptionGroupTest.cpp
+++ b/tests/OptionGroupTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "app_helper.hpp"
 
 #include "gmock/gmock.h"
diff --git a/tests/OptionalTest.cpp b/tests/OptionalTest.cpp
index 6a11839..a52c389 100644
--- a/tests/OptionalTest.cpp
+++ b/tests/OptionalTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include <complex>
 #include <cstdint>
 #include <cstdlib>
diff --git a/tests/SetTest.cpp b/tests/SetTest.cpp
index 10f8b20..7b6236e 100644
--- a/tests/SetTest.cpp
+++ b/tests/SetTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "app_helper.hpp"
 #include <map>
 
diff --git a/tests/SimpleTest.cpp b/tests/SimpleTest.cpp
index d87495f..dfcd557 100644
--- a/tests/SimpleTest.cpp
+++ b/tests/SimpleTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #ifdef CLI11_SINGLE_FILE
 #include "CLI11.hpp"
 #else
diff --git a/tests/StringParseTest.cpp b/tests/StringParseTest.cpp
index a457403..568bb4e 100644
--- a/tests/StringParseTest.cpp
+++ b/tests/StringParseTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "app_helper.hpp"
 
 #include "gmock/gmock.h"
diff --git a/tests/SubcommandTest.cpp b/tests/SubcommandTest.cpp
index 8ea4046..da6d362 100644
--- a/tests/SubcommandTest.cpp
+++ b/tests/SubcommandTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "app_helper.hpp"
 
 #include "gmock/gmock.h"
diff --git a/tests/TimerTest.cpp b/tests/TimerTest.cpp
index 8051c9e..51d8bb0 100644
--- a/tests/TimerTest.cpp
+++ b/tests/TimerTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "CLI/Timer.hpp"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
diff --git a/tests/TransformTest.cpp b/tests/TransformTest.cpp
index 0fdf25e..ae802af 100644
--- a/tests/TransformTest.cpp
+++ b/tests/TransformTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "app_helper.hpp"
 
 #include <array>
diff --git a/tests/TrueFalseTest.cpp b/tests/TrueFalseTest.cpp
index 045bd36..7c37d45 100644
--- a/tests/TrueFalseTest.cpp
+++ b/tests/TrueFalseTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "app_helper.hpp"
 
 /// This allows a set of strings to be run over by a test
diff --git a/tests/WindowsTest.cpp b/tests/WindowsTest.cpp
index 58a1faf..41053bb 100644
--- a/tests/WindowsTest.cpp
+++ b/tests/WindowsTest.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "app_helper.hpp"
 #include <Windows.h>
 
diff --git a/tests/app_helper.hpp b/tests/app_helper.hpp
index 7c1262b..c0960c6 100644
--- a/tests/app_helper.hpp
+++ b/tests/app_helper.hpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #pragma once
 
 #ifdef CLI11_SINGLE_FILE
diff --git a/tests/informational.cpp b/tests/informational.cpp
index b5a0098..92f7dc4 100644
--- a/tests/informational.cpp
+++ b/tests/informational.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #ifdef CLI11_SINGLE_FILE
 #include "CLI11.hpp"
 #else
diff --git a/tests/link_test_1.cpp b/tests/link_test_1.cpp
index 6be3bfa..be91037 100644
--- a/tests/link_test_1.cpp
+++ b/tests/link_test_1.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "CLI/CLI.hpp"
 #include "CLI/Timer.hpp"
 
diff --git a/tests/link_test_2.cpp b/tests/link_test_2.cpp
index 85c5a74..ba4cc8f 100644
--- a/tests/link_test_2.cpp
+++ b/tests/link_test_2.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include "CLI/CLI.hpp"
 #include "CLI/Timer.hpp"
 #include <gtest/gtest.h>
diff --git a/tests/mesonTest/main.cpp b/tests/mesonTest/main.cpp
index 24647ba..6981378 100644
--- a/tests/mesonTest/main.cpp
+++ b/tests/mesonTest/main.cpp
@@ -1,3 +1,9 @@
+// Copyright (c) 2017-2020, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
 #include <CLI/CLI.hpp>
 
 int main(int argc, char **argv) {