diff --git a/app/Filament/Imports/InvoiceValidationImporter.php b/app/Filament/Imports/InvoiceValidationImporter.php
index 022c37b..3c27e98 100644
--- a/app/Filament/Imports/InvoiceValidationImporter.php
+++ b/app/Filament/Imports/InvoiceValidationImporter.php
@@ -353,6 +353,12 @@ class InvoiceValidationImporter extends Importer
                     $curPanelBoxSerialNumber = $record->panel_box_serial_number ?? null;
                 }
 
+                if ($record->scanned_status == 'Scanned') {
+                    return null;
+                } elseif ($record->invoice_number != $invoiceNumber) {
+                    throw new RowImportFailedException('Invoice number mismatch with existing record!');
+                }
+
                 // if ($hadPumpQr == $hasPumpQr && $hadPumpSetQr == $hasPumpSetQr)
                 if ($hasMotorQr || $hasPumpQr || $hasPumpSetQr || $hasCapacitorQr) {
                     $scanCnt = $curMotorQr ? $scanCnt + 1 : $scanCnt;