diff --git a/src/XeroPHP/Models/Accounting/TrackingCategory.php b/src/XeroPHP/Models/Accounting/TrackingCategory.php
index 6aeec38f..c5a595cd 100644
--- a/src/XeroPHP/Models/Accounting/TrackingCategory.php
+++ b/src/XeroPHP/Models/Accounting/TrackingCategory.php
@@ -200,6 +200,26 @@ public function setTrackingOptionName($value)
         return $this;
     }
 
+    /**
+     * @return string
+     */
+    public function getTrackingOptionID()
+    {
+        return $this->_data['TrackingOptionID'];
+    }
+ 
+    /**
+     * @param string $value
+     *
+     * @return TrackingCategory
+     */
+    public function setTrackingOptionID($value)
+    {
+        $this->propertyUpdated('TrackingOptionID', $value);
+        $this->_data['TrackingOptionID'] = $value;
+        return $this;
+    }
+
     /**
      * @return string
      */