diff --git a/DGCAVerifier/UIComponents/BaseComponents/ExtendedUIButton.swift b/DGCAVerifier/UIComponents/BaseComponents/ExtendedUIButton.swift
index 29ed122..55bc6a2 100644
--- a/DGCAVerifier/UIComponents/BaseComponents/ExtendedUIButton.swift
+++ b/DGCAVerifier/UIComponents/BaseComponents/ExtendedUIButton.swift
@@ -1,3 +1,21 @@
+/*
+ *  license-start
+ *  
+ *  Copyright (C) 2021 Ministero della Salute and all other 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.
+*/
+
 //
 //  ExtendedUIButton.swift
 //  Verifier
diff --git a/DGCAVerifier/UIComponents/CustomControllers/HeaderFooterBackViewController/HFBackViewController.swift b/DGCAVerifier/UIComponents/CustomControllers/HeaderFooterBackViewController/HFBackViewController.swift
index fa9b9bc..1683d7f 100644
--- a/DGCAVerifier/UIComponents/CustomControllers/HeaderFooterBackViewController/HFBackViewController.swift
+++ b/DGCAVerifier/UIComponents/CustomControllers/HeaderFooterBackViewController/HFBackViewController.swift
@@ -1,3 +1,21 @@
+/*
+ *  license-start
+ *  
+ *  Copyright (C) 2021 Ministero della Salute and all other 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.
+*/
+
 //
 //  HFBackViewController.swift
 //  Verifier
diff --git a/DGCAVerifier/UIComponents/CustomViews/FooterBar/FooterBar.swift b/DGCAVerifier/UIComponents/CustomViews/FooterBar/FooterBar.swift
index dc1848b..78b97e7 100644
--- a/DGCAVerifier/UIComponents/CustomViews/FooterBar/FooterBar.swift
+++ b/DGCAVerifier/UIComponents/CustomViews/FooterBar/FooterBar.swift
@@ -1,3 +1,21 @@
+/*
+ *  license-start
+ *  
+ *  Copyright (C) 2021 Ministero della Salute and all other 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.
+*/
+
 //
 //  ButtonBar.swift
 //  Verifier
diff --git a/DGCAVerifier/UIComponents/CustomViews/HeaderBar/HeaderBar.swift b/DGCAVerifier/UIComponents/CustomViews/HeaderBar/HeaderBar.swift
index 6f6ccd1..aab0a54 100644
--- a/DGCAVerifier/UIComponents/CustomViews/HeaderBar/HeaderBar.swift
+++ b/DGCAVerifier/UIComponents/CustomViews/HeaderBar/HeaderBar.swift
@@ -1,3 +1,21 @@
+/*
+ *  license-start
+ *  
+ *  Copyright (C) 2021 Ministero della Salute and all other 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.
+*/
+
 //
 //  HeaderBar.swift
 //  Verifier
diff --git a/DGCAVerifier/Utils/UIExtensions/UIView/UIView+EmbedSubview.swift b/DGCAVerifier/Utils/UIExtensions/UIView/UIView+EmbedSubview.swift
index dfa1a98..ac99482 100644
--- a/DGCAVerifier/Utils/UIExtensions/UIView/UIView+EmbedSubview.swift
+++ b/DGCAVerifier/Utils/UIExtensions/UIView/UIView+EmbedSubview.swift
@@ -1,3 +1,21 @@
+/*
+ *  license-start
+ *  
+ *  Copyright (C) 2021 Ministero della Salute and all other 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.
+*/
+
 //
 //  UIView+EmbedSubview.swift
 //  Verifier
diff --git a/DGCAVerifier/Utils/UIExtensions/UIView/UIView+NSLayoutConstraint.swift b/DGCAVerifier/Utils/UIExtensions/UIView/UIView+NSLayoutConstraint.swift
index 60fef32..2d04a56 100644
--- a/DGCAVerifier/Utils/UIExtensions/UIView/UIView+NSLayoutConstraint.swift
+++ b/DGCAVerifier/Utils/UIExtensions/UIView/UIView+NSLayoutConstraint.swift
@@ -1,3 +1,21 @@
+/*
+ *  license-start
+ *  
+ *  Copyright (C) 2021 Ministero della Salute and all other 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.
+*/
+
 //
 //  UIView+NSLayoutConstraint.swift
 //  Verifier