diff --git a/src/pluginplay/module_manager/detail_/module_manager_pimpl.ipp b/src/pluginplay/module_manager/detail_/module_manager_pimpl.ipp
index fcd88c4c..cb43d932 100644
--- a/src/pluginplay/module_manager/detail_/module_manager_pimpl.ipp
+++ b/src/pluginplay/module_manager/detail_/module_manager_pimpl.ipp
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2024 NWChemEx-Project
+ *
+ * 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.
+ */
+
 // This file meant only for inclusion in module_manager_pimpl.hpp
 
 #pragma once
diff --git a/src/pluginplay/module_manager/module_manager_class.cpp b/src/pluginplay/module_manager/module_manager_class.cpp
index ed83cd81..23294778 100644
--- a/src/pluginplay/module_manager/module_manager_class.cpp
+++ b/src/pluginplay/module_manager/module_manager_class.cpp
@@ -32,7 +32,7 @@ ModuleManager::ModuleManager() :
   pimpl_(std::make_unique<detail_::ModuleManagerPIMPL>()) {}
 ModuleManager::ModuleManager(runtime_ptr runtime, cache_pointer cache) :
   pimpl_(std::make_unique<detail_::ModuleManagerPIMPL>(runtime, cache)) {}
-ModuleManager::ModuleManager(ModuleManager&& rhs) noexcept            = default;
+ModuleManager::ModuleManager(ModuleManager&& rhs) noexcept = default;
 ModuleManager& ModuleManager::operator=(ModuleManager&& rhs) noexcept = default;
 ModuleManager::~ModuleManager() noexcept                              = default;
 
diff --git a/src/python/cache/export_cache.hpp b/src/python/cache/export_cache.hpp
index 686c58ae..4dd955af 100644
--- a/src/python/cache/export_cache.hpp
+++ b/src/python/cache/export_cache.hpp
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2024 NWChemEx-Project
+ *
+ * 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.
+ */
+
 #pragma once
 #include "../export_pluginplay.hpp"
 
diff --git a/src/python/cache/export_module_manager_cache.cpp b/src/python/cache/export_module_manager_cache.cpp
index ac4b4db1..9d8ae281 100644
--- a/src/python/cache/export_module_manager_cache.cpp
+++ b/src/python/cache/export_module_manager_cache.cpp
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2024 NWChemEx-Project
+ *
+ * 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.
+ */
+
 #include "export_cache.hpp"
 #include <pluginplay/cache/module_manager_cache.hpp>
 namespace pluginplay {
diff --git a/src/python/module_manager/export_module_manager.hpp b/src/python/module_manager/export_module_manager.hpp
index 17393fbc..b66f741f 100644
--- a/src/python/module_manager/export_module_manager.hpp
+++ b/src/python/module_manager/export_module_manager.hpp
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2024 NWChemEx-Project
+ *
+ * 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.
+ */
+
 #pragma once
 #include "../export_pluginplay.hpp"
 
diff --git a/tests/python/unit_tests/module/__init__.py b/tests/python/unit_tests/module/__init__.py
index e69de29b..15622f72 100644
--- a/tests/python/unit_tests/module/__init__.py
+++ b/tests/python/unit_tests/module/__init__.py
@@ -0,0 +1,13 @@
+# Copyright 2024 NWChemEx-Project
+#
+# 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.
diff --git a/tests/python/unit_tests/module_manager/__init__.py b/tests/python/unit_tests/module_manager/__init__.py
index e69de29b..15622f72 100644
--- a/tests/python/unit_tests/module_manager/__init__.py
+++ b/tests/python/unit_tests/module_manager/__init__.py
@@ -0,0 +1,13 @@
+# Copyright 2024 NWChemEx-Project
+#
+# 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.