diff --git a/public/typo3conf/ext/ep_products/Classes/Domain/Repository/ContingentRepository.php b/public/typo3conf/ext/ep_products/Classes/Domain/Repository/ContingentRepository.php
index 0e37ee94..2ccfd75a 100644
--- a/public/typo3conf/ext/ep_products/Classes/Domain/Repository/ContingentRepository.php
+++ b/public/typo3conf/ext/ep_products/Classes/Domain/Repository/ContingentRepository.php
@@ -58,7 +58,7 @@ class ContingentRepository extends AbstractRepository implements ProviderInterfa
         $qb = $this->getDbConnection()->createQueryBuilder();
 
         $qb
-            ->select('status as status', 'date as date', 'min_price as minPrice', 'pax', 'available')
+            ->select('status as status', 'date as date', 'min_price as minPrice', 'pax', 'available', 'room_code')
             ->from('tx_epproducts_domain_model_contingent')
             ->where('hotel = :hotelUid')
             ->andWhere('date >= :dateFrom')
@@ -91,8 +91,10 @@ class ContingentRepository extends AbstractRepository implements ProviderInterfa
             if ($row['status'] !== Contingent::STATUS_OK) {
                 $dates[$row['date']]['status'] = $row['status'];
             }
-            $dates[$row['date']]['pax'] += $row['pax'];
-            $dates[$row['date']]['available'] += $row['available'];
+            if ('BelKal' !== $row['room_code']) {
+                $dates[$row['date']]['pax'] += $row['pax'];
+                $dates[$row['date']]['available'] += $row['available'];
+            }
         }
 
         $events = [];
diff --git a/public/typo3conf/ext/ep_products/Classes/Service/GroupsSwissService.php b/public/typo3conf/ext/ep_products/Classes/Service/GroupsSwissService.php
index 38257dbc..9f486846 100644
--- a/public/typo3conf/ext/ep_products/Classes/Service/GroupsSwissService.php
+++ b/public/typo3conf/ext/ep_products/Classes/Service/GroupsSwissService.php
@@ -120,28 +120,47 @@ class GroupsSwissService implements SingletonInterface, LoggerAwareInterface
     }
 
     /**
-     * @param array $events
+     * @param array $contingents
      * @param string $apiKey
      * @param int $houseNumber
      */
-    protected function generateChart(array $events, $apiKey, $houseNumber): void
+    protected function generateChart(array $contingents, $apiKey, $houseNumber): void
     {
         $item = null;
-        $status = null;
+        $itemStatus = null;
+
+        // Iterate over all contingents
+        foreach ($contingents as $contingent) {
+            /** @var Contingent $contingent */
+            // Get actual or 'virtual' status of current contingent
+            $contingentStatus = $this->getContingentStatus($contingent);
 
-        foreach ($events as $event) {
-            /** @var Contingent $event */
-            $contingentStatus = $this->getContingentStatus($event);
             if (null === $item && Contingent::STATUS_OK !== $contingentStatus) {
-                $status = $contingentStatus;
+                // Make contingent status the current status
+                $itemStatus = $contingentStatus;
+                // Create fresh chart item
                 $item = [
-                    'from' => $event->getBegin(),
+                    'from' => $contingent->getBegin(),
+                    'status' => $contingentStatus,
                 ];
-            } elseif (true === is_array($item) && $status !== $contingentStatus) {
-                $item['to'] = $event->getEnd()->modify('-1 day');
-                $statusCode = Contingent::STATUS_ONREQUEST === $status ? 1 : 2;
+            } elseif (null !== $item && $itemStatus !== $contingentStatus) {
+                // Set end date of current chart item to previous contingent's date
+                $item['to'] = $contingent->getEnd();
+                // Translate status code for Groups.swiss
+                $statusCode = Contingent::STATUS_ONREQUEST === $item['status'] ? 1 : 2;
+                // Post chart item to API
                 $this->addItem($item, $statusCode, $apiKey, $houseNumber);
-                $item = null;
+                // Make contingent status the current status
+                $itemStatus = $contingentStatus;
+                // Reset chart item or create fresh one depending on new status
+                if (Contingent::STATUS_OK === $contingentStatus) {
+                    $item = null;
+                } else {
+                    $item = [
+                        'from' => $contingent->getBegin(),
+                        'status' => $contingentStatus,
+                    ];
+                }
             }
         }
     }
@@ -150,12 +169,16 @@ class GroupsSwissService implements SingletonInterface, LoggerAwareInterface
      * @param Contingent $contingent
      * @return int
      */
-    protected function getContingentStatus(Contingent $contingent)
+    protected function getContingentStatus(Contingent $contingent): int
     {
-        if (in_array($contingent->getStatus(), [Contingent::STATUS_BLOCKED, Contingent::STATUS_ONREQUEST], true)) {
-            return $contingent->getStatus();
+        $contingentStatus = $contingent->getStatus();
+
+        // All status other than OK are to be applied immediately
+        if (Contingent::STATUS_BLOCKED === $contingentStatus || Contingent::STATUS_ONREQUEST === $contingentStatus) {
+            return $contingentStatus;
         }
 
+        // Determine 'virtual' status depending on availability
         $percentageAvailable = $contingent->getPercentageAvailable();
 
         if ($percentageAvailable <= 20) {