diff --git a/iceoryx2-cli/iox2-introspect/src/main.rs b/iceoryx2-cli/iox2-introspect/src/main.rs
index 271c1ee2e..3a00e264d 100644
--- a/iceoryx2-cli/iox2-introspect/src/main.rs
+++ b/iceoryx2-cli/iox2-introspect/src/main.rs
@@ -1,3 +1,15 @@
+// Copyright (c) 2024 Contributors to the Eclipse Foundation
+//
+// See the NOTICE file(s) distributed with this work for additional
+// information regarding copyright ownership.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
+//
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 fn main() {
     println!("Not implemented. Stay tuned !");
 }
diff --git a/iceoryx2-cli/iox2-processes/src/main.rs b/iceoryx2-cli/iox2-processes/src/main.rs
index 271c1ee2e..3a00e264d 100644
--- a/iceoryx2-cli/iox2-processes/src/main.rs
+++ b/iceoryx2-cli/iox2-processes/src/main.rs
@@ -1,3 +1,15 @@
+// Copyright (c) 2024 Contributors to the Eclipse Foundation
+//
+// See the NOTICE file(s) distributed with this work for additional
+// information regarding copyright ownership.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
+//
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 fn main() {
     println!("Not implemented. Stay tuned !");
 }
diff --git a/iceoryx2-cli/iox2-pub/src/main.rs b/iceoryx2-cli/iox2-pub/src/main.rs
index 271c1ee2e..3a00e264d 100644
--- a/iceoryx2-cli/iox2-pub/src/main.rs
+++ b/iceoryx2-cli/iox2-pub/src/main.rs
@@ -1,3 +1,15 @@
+// Copyright (c) 2024 Contributors to the Eclipse Foundation
+//
+// See the NOTICE file(s) distributed with this work for additional
+// information regarding copyright ownership.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
+//
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 fn main() {
     println!("Not implemented. Stay tuned !");
 }
diff --git a/iceoryx2-cli/iox2-rpc/src/main.rs b/iceoryx2-cli/iox2-rpc/src/main.rs
index 271c1ee2e..3a00e264d 100644
--- a/iceoryx2-cli/iox2-rpc/src/main.rs
+++ b/iceoryx2-cli/iox2-rpc/src/main.rs
@@ -1,3 +1,15 @@
+// Copyright (c) 2024 Contributors to the Eclipse Foundation
+//
+// See the NOTICE file(s) distributed with this work for additional
+// information regarding copyright ownership.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
+//
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 fn main() {
     println!("Not implemented. Stay tuned !");
 }
diff --git a/iceoryx2-cli/iox2-services/src/main.rs b/iceoryx2-cli/iox2-services/src/main.rs
index 271c1ee2e..3a00e264d 100644
--- a/iceoryx2-cli/iox2-services/src/main.rs
+++ b/iceoryx2-cli/iox2-services/src/main.rs
@@ -1,3 +1,15 @@
+// Copyright (c) 2024 Contributors to the Eclipse Foundation
+//
+// See the NOTICE file(s) distributed with this work for additional
+// information regarding copyright ownership.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
+//
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 fn main() {
     println!("Not implemented. Stay tuned !");
 }
diff --git a/iceoryx2-cli/iox2-sub/src/main.rs b/iceoryx2-cli/iox2-sub/src/main.rs
index 271c1ee2e..3a00e264d 100644
--- a/iceoryx2-cli/iox2-sub/src/main.rs
+++ b/iceoryx2-cli/iox2-sub/src/main.rs
@@ -1,3 +1,15 @@
+// Copyright (c) 2024 Contributors to the Eclipse Foundation
+//
+// See the NOTICE file(s) distributed with this work for additional
+// information regarding copyright ownership.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
+//
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 fn main() {
     println!("Not implemented. Stay tuned !");
 }
diff --git a/iceoryx2-cli/iox2/src/cli.rs b/iceoryx2-cli/iox2/src/cli.rs
index beeba2161..75d2e1a46 100644
--- a/iceoryx2-cli/iox2/src/cli.rs
+++ b/iceoryx2-cli/iox2/src/cli.rs
@@ -1,3 +1,15 @@
+// Copyright (c) 2024 Contributors to the Eclipse Foundation
+//
+// See the NOTICE file(s) distributed with this work for additional
+// information regarding copyright ownership.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
+//
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use clap::Parser;
 use colored::*;
 
diff --git a/iceoryx2-cli/iox2/src/commands.rs b/iceoryx2-cli/iox2/src/commands.rs
index 1d5680363..d5209c0bf 100644
--- a/iceoryx2-cli/iox2/src/commands.rs
+++ b/iceoryx2-cli/iox2/src/commands.rs
@@ -1,3 +1,15 @@
+// Copyright (c) 2024 Contributors to the Eclipse Foundation
+//
+// See the NOTICE file(s) distributed with this work for additional
+// information regarding copyright ownership.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
+//
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use colored::*;
 use std::env;
 use std::fs;
diff --git a/iceoryx2-cli/iox2/src/main.rs b/iceoryx2-cli/iox2/src/main.rs
index 363fc2aa7..02e20b69b 100644
--- a/iceoryx2-cli/iox2/src/main.rs
+++ b/iceoryx2-cli/iox2/src/main.rs
@@ -1,3 +1,15 @@
+// Copyright (c) 2024 Contributors to the Eclipse Foundation
+//
+// See the NOTICE file(s) distributed with this work for additional
+// information regarding copyright ownership.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
+//
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 #[cfg(not(debug_assertions))]
 use human_panic::setup_panic;