diff --git a/src/Entity/Shipment.php b/src/Entity/Shipment.php
index 8985482..3404ace 100644
--- a/src/Entity/Shipment.php
+++ b/src/Entity/Shipment.php
@@ -123,6 +123,11 @@ class Shipment
      */
     private $taxInformationIndicator;
 
+    /**
+     * @var string
+     */
+    private $locale;
+
     public function __construct()
     {
         $this->setShipper(new Shipper());
@@ -610,4 +615,24 @@ public function setTaxInformationIndicator(bool $taxInformationIndicator): self
         
         return $this;
     }
+
+    /**
+     * @return string
+     */
+    public function getLocale()
+    {
+        return $this->locale;
+    }
+
+    /**
+     * @param string $locale
+     *
+     * @return Shipment
+     */
+    public function setLocale($locale)
+    {
+        $this->locale = $locale;
+
+        return $this;
+    }
 }
diff --git a/src/Shipping.php b/src/Shipping.php
index e1ac9cf..0165e06 100644
--- a/src/Shipping.php
+++ b/src/Shipping.php
@@ -429,6 +429,10 @@ private function createConfirmRequest(
         if ($receiptSpec) {
             $container->appendChild($xml->importNode($this->compileReceiptSpecificationNode($receiptSpec), true));
         }
+
+        if ($shipment->getLocale()) {
+            $shipmentNode->appendChild($xml->createElement('Locale', $shipment->getLocale()));
+        }
         return $xml->saveXML();
     }