diff --git a/src/Form/LabelSystem/ScanDialogType.php b/src/Form/LabelSystem/ScanDialogType.php
index 007dad9a..5230dd5a 100644
--- a/src/Form/LabelSystem/ScanDialogType.php
+++ b/src/Form/LabelSystem/ScanDialogType.php
@@ -71,6 +71,7 @@ class ScanDialogType extends AbstractType
                 null => 'scan_dialog.mode.auto',
                 BarcodeSourceType::INTERNAL => 'scan_dialog.mode.internal',
                 BarcodeSourceType::IPN => 'scan_dialog.mode.ipn',
+                BarcodeSourceType::VENDOR => 'scan_dialog.mode.vendor',
             },
 
         ]);
diff --git a/src/Services/LabelSystem/Barcodes/BarcodeScanHelper.php b/src/Services/LabelSystem/Barcodes/BarcodeScanHelper.php
index 4a2b2c37..b53d3f02 100644
--- a/src/Services/LabelSystem/Barcodes/BarcodeScanHelper.php
+++ b/src/Services/LabelSystem/Barcodes/BarcodeScanHelper.php
@@ -43,6 +43,7 @@ namespace App\Services\LabelSystem\Barcodes;
 
 use App\Entity\LabelSystem\LabelSupportedElement;
 use App\Entity\Parts\Part;
+use App\Entity\Parts\PartLot;
 use Doctrine\ORM\EntityManagerInterface;
 use InvalidArgumentException;
 
@@ -82,6 +83,9 @@ final class BarcodeScanHelper
         if ($type === BarcodeSourceType::INTERNAL) {
             return $this->parseInternalBarcode($input) ?? throw new InvalidArgumentException('Could not parse barcode');
         }
+        if ($type === BarcodeSourceType::VENDOR) {
+            return $this->parseVendorBarcode($input) ?? throw new InvalidArgumentException('Could not parse barcode');
+        }
         if ($type === BarcodeSourceType::IPN) {
             return $this->parseIPNBarcode($input) ?? throw new InvalidArgumentException('Could not parse barcode');
         }
@@ -93,13 +97,38 @@ final class BarcodeScanHelper
             return $result;
         }
 
+        //Try to parse as vendor barcode
+        $result = $this->parseVendorBarcode($input);
+        if ($result !== null) {
+            return $result;
+        }
+
         //Try to parse as IPN barcode
         $result = $this->parseIPNBarcode($input);
         if ($result !== null) {
             return $result;
         }
 
-        throw new InvalidArgumentException('Unknown barcode format');
+        throw new InvalidArgumentException('Unknown barcode');
+    }
+
+    private function parseVendorBarcode(string $input): ?BarcodeScanResult
+    {
+        $lot_repo = $this->entityManager->getRepository(PartLot::class);
+        //Find only the first result
+        $results = $lot_repo->findBy(['vendor_barcode' => $input], limit: 1);
+
+        if (count($results) === 0) {
+            return null;
+        }
+        //We found a part, so use it to create the result
+        $lot = $results[0];
+
+        return new BarcodeScanResult(
+            target_type: LabelSupportedElement::PART_LOT,
+            target_id: $lot->getID(),
+            source_type: BarcodeSourceType::VENDOR
+        );
     }
 
     private function parseIPNBarcode(string $input): ?BarcodeScanResult
diff --git a/src/Services/LabelSystem/Barcodes/BarcodeSourceType.php b/src/Services/LabelSystem/Barcodes/BarcodeSourceType.php
index 4778f0cd..20ba316a 100644
--- a/src/Services/LabelSystem/Barcodes/BarcodeSourceType.php
+++ b/src/Services/LabelSystem/Barcodes/BarcodeSourceType.php
@@ -32,4 +32,9 @@ enum BarcodeSourceType
     case INTERNAL;
     /** This barcode is containing an internal part number (IPN) */
     case IPN;
+    /**
+     * This barcode is a custom barcode from a third party like a vendor, which was set via the vendor_barcode
+     * field of a part lot.
+     */
+    case VENDOR;
 }
\ No newline at end of file
diff --git a/translations/messages.en.xlf b/translations/messages.en.xlf
index 919e14c3..7197f3b7 100644
--- a/translations/messages.en.xlf
+++ b/translations/messages.en.xlf
@@ -11945,5 +11945,11 @@ Please note, that you can not impersonate a disabled user. If you try you will g
         <target>If this lot already have a barcode (e.g. put there by the vendor), you can input its content here, to easily scan it.</target>
       </segment>
     </unit>
+    <unit id="2d3cSdD" name="scan_dialog.mode.vendor">
+      <segment>
+        <source>scan_dialog.mode.vendor</source>
+        <target>Vendor barcode (configured in part lot)</target>
+      </segment>
+    </unit>
   </file>
 </xliff>