diff --git a/Abrechnung/module.php b/Abrechnung/module.php
index 6a2128b..8549a33 100644
--- a/Abrechnung/module.php
+++ b/Abrechnung/module.php
@@ -100,6 +100,12 @@ class Abrechnung extends IPSModule
     private function RegisterTariffWebhook()
     {
         $webhook = $this->GetTariffWebhookPath();
+
+        if (method_exists($this, 'RegisterHook')) {
+            $this->RegisterHook($webhook);
+            return;
+        }
+
         $ids = @IPS_GetInstanceListByModuleID('{015A6EB8-D6E5-4B93-B496-0D3F77AE9FE1}');
         if (empty($ids)) {
             return;
@@ -464,8 +470,7 @@ form.onsubmit=function(){
   }
  });
  form.querySelector('input[name=payload]').value=JSON.stringify(rows);
- status.textContent='Speichern...';
- window.setTimeout(function(){status.textContent='Gesendet. Tabelle wird nach dem Speichern aktualisiert.';},800);
+ status.textContent='Speichern gesendet.';
  return true;
 };
 })();
@@ -484,10 +489,10 @@ form.onsubmit=function(){
         }
 
         return '<tr>'
-            . '<td><select data-field="unit_type">' . $options . '</select></td>'
-            . '<td><input data-field="start" type="date" value="' . $this->h($start) . '"></td>'
-            . '<td><input data-field="end" type="date" value="' . $this->h($end) . '"></td>'
-            . '<td><input data-field="price" class="num" type="number" min="0" step="0.001" value="' . $this->h($price) . '"></td>'
+            . '<td><select data-field="unit_type" name="unit_type[]">' . $options . '</select></td>'
+            . '<td><input data-field="start" name="start[]" type="date" value="' . $this->h($start) . '"></td>'
+            . '<td><input data-field="end" name="end[]" type="date" value="' . $this->h($end) . '"></td>'
+            . '<td><input data-field="price" name="price[]" class="num" type="number" min="0" step="0.001" value="' . $this->h($price) . '"></td>'
             . '<td><button type="button" class="danger" data-action="delete">Löschen</button></td>'
             . '</tr>';
     }
@@ -543,6 +548,31 @@ form.onsubmit=function(){
         return count($tariffs) . ' Tarif(e) gespeichert.';
     }
 
+    private function SaveTariffTableFromPost(array $post)
+    {
+        $types = $post['unit_type'] ?? [];
+        $starts = $post['start'] ?? [];
+        $ends = $post['end'] ?? [];
+        $prices = $post['price'] ?? [];
+
+        if (!is_array($types) || !is_array($starts) || !is_array($ends) || !is_array($prices)) {
+            throw new Exception('Ungültige Formularwerte.');
+        }
+
+        $rows = [];
+        $count = max(count($types), count($starts), count($ends), count($prices));
+        for ($i = 0; $i < $count; $i++) {
+            $rows[] = [
+                'unit_type' => $types[$i] ?? '',
+                'start' => $starts[$i] ?? '',
+                'end' => $ends[$i] ?? '',
+                'price' => $prices[$i] ?? ''
+            ];
+        }
+
+        return $this->SaveTariffTableFromPayload(json_encode($rows));
+    }
+
     private function FormatDateInput($timestamp)
     {
         return $timestamp ? date('Y-m-d', (int)$timestamp) : '';
@@ -645,7 +675,11 @@ form.onsubmit=function(){
         $message = '';
         try {
             $payload = $_POST['payload'] ?? '';
-            $message = $this->SaveTariffTableFromPayload($payload);
+            if (trim((string)$payload) !== '') {
+                $message = $this->SaveTariffTableFromPayload($payload);
+            } else {
+                $message = $this->SaveTariffTableFromPost($_POST);
+            }
             SetValue($this->GetIDForIdent('VisuTariffStatus'), $message);
             $this->UpdateTariffOverview();
         } catch (Throwable $e) {