diff --git a/Admin/Activate.php b/Admin/Activate.php
index 743435f..45231d3 100644
--- a/Admin/Activate.php
+++ b/Admin/Activate.php
@@ -13,9 +13,9 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\BusinessExpenses\Admin;
 
-
 use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\ActivateAbstract;
 use phpOMS\Module\InfoManager;
diff --git a/Admin/Deactivate.php b/Admin/Deactivate.php
index 4a712c7..9bebb99 100644
--- a/Admin/Deactivate.php
+++ b/Admin/Deactivate.php
@@ -13,9 +13,9 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\BusinessExpenses\Admin;
 
-
 use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\DeactivateAbstract;
 use phpOMS\Module\InfoManager;
diff --git a/Admin/Install/Navigation.php b/Admin/Install/Navigation.php
index 9b3b50c..96cee73 100644
--- a/Admin/Install/Navigation.php
+++ b/Admin/Install/Navigation.php
@@ -13,6 +13,7 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\BusinessExpenses\Admin\Install;
 use phpOMS\DataStorage\Database\DatabasePool;
 
diff --git a/Admin/Installer.php b/Admin/Installer.php
index 305a7a0..e1b29eb 100644
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -13,9 +13,9 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\BusinessExpenses\Admin;
 
-
 use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\InstallerAbstract;
 
diff --git a/Admin/Uninstall.php b/Admin/Uninstall.php
index a6e3f11..be1ad01 100644
--- a/Admin/Uninstall.php
+++ b/Admin/Uninstall.php
@@ -13,9 +13,9 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\BusinessExpenses\Admin;
 
-
 use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\UninstallAbstract;
 
diff --git a/Admin/Update.php b/Admin/Update.php
index 2dc5cb0..a196d02 100644
--- a/Admin/Update.php
+++ b/Admin/Update.php
@@ -13,9 +13,9 @@
  * @version    1.0.0
  * @link       http://orange-management.com
  */
+declare(strict_types=1);
 namespace Modules\BusinessExpenses\Admin;
 
-
 use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\UpdateAbstract;
 use phpOMS\System\File\Directory;