diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 12ac6c6..3c2fd12 100644
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -38,14 +38,14 @@ final class BackendController extends Controller
      * @param ResponseAbstract $response Response
      * @param mixed            $data     Generic data
      *
-     * @return void
+     * @return RenderableInterface
      *
      * @since 1.0.0
      * @codeCoverageIgnore
      */
     public function viewExchangeDashboard(RequestAbstract $request, ResponseAbstract $response, $data = null) : RenderableInterface
     {
-        $view = new View($this->app, $request, $response);
+        $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/Exchange/Theme/Backend/exchange-dashboard');
         $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1007001001, $request, $response));
 
@@ -66,7 +66,7 @@ final class BackendController extends Controller
      */
     public function viewExchangeExportList(RequestAbstract $request, ResponseAbstract $response, $data = null) : RenderableInterface
     {
-        $view = new View($this->app, $request, $response);
+        $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/Exchange/Theme/Backend/exchange-export-list');
         $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1007001001, $request, $response));
 
@@ -98,7 +98,7 @@ final class BackendController extends Controller
      */
     public function viewExchangeImportList(RequestAbstract $request, ResponseAbstract $response, $data = null) : RenderableInterface
     {
-        $view = new View($this->app, $request, $response);
+        $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/Exchange/Theme/Backend/exchange-import-list');
         $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1007001001, $request, $response));
 
@@ -130,7 +130,7 @@ final class BackendController extends Controller
      */
     public function viewExchangeExport(RequestAbstract $request, ResponseAbstract $response, $data = null) : RenderableInterface
     {
-        $view = new View($this->app, $request, $response);
+        $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/Exchange/Theme/Backend/exchange-export');
         $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1007001001, $request, $response));
 
@@ -151,7 +151,7 @@ final class BackendController extends Controller
      */
     public function viewExchangeImport(RequestAbstract $request, ResponseAbstract $response, $data = null) : RenderableInterface
     {
-        $view = new View($this->app, $request, $response);
+        $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/Exchange/Theme/Backend/exchange-import');
         $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1007001001, $request, $response));
 
diff --git a/Models/ExchangeType.php b/Models/ExchangeType.php
index f6dae6d..e7bdb79 100644
--- a/Models/ExchangeType.php
+++ b/Models/ExchangeType.php
@@ -35,4 +35,5 @@ abstract class ExchangeType extends Enum
     public const ADDRESS    = 6;
     public const COSTCENTER = 7;
     public const COSTOBJECT = 8;
+    public const INVOICE    = 9;
 }
diff --git a/Models/ImporterAbstract.php b/Models/ImporterAbstract.php
index 2163fd3..5f95a65 100644
--- a/Models/ImporterAbstract.php
+++ b/Models/ImporterAbstract.php
@@ -33,7 +33,7 @@ abstract class ImporterAbstract
      * @var ConnectionInterface
      * @since 1.0.0
      */
-    private $local = null;
+    protected $local = null;
 
     /**
      * Constructor