diff --git a/src/Entity/JobOrder.php b/src/Entity/JobOrder.php
index 753d350a..be1cf920 100644
--- a/src/Entity/JobOrder.php
+++ b/src/Entity/JobOrder.php
@@ -301,7 +301,7 @@ class JobOrder
         return $this->coordinates;
     }
 
-    public function setAdvanceOrder($flag_advance)
+    public function setAdvanceOrder($flag_advance = true)
     {
         $this->flag_advance = $flag_advance;
         return $this;
diff --git a/src/Ramcar/WarrantyClass.php b/src/Ramcar/WarrantyClass.php
index ca850d9b..992ee1c6 100644
--- a/src/Ramcar/WarrantyClass.php
+++ b/src/Ramcar/WarrantyClass.php
@@ -6,9 +6,11 @@ class WarrantyClass extends NameValue
 {
     const WTY_PRIVATE     = 'private';
     const WTY_COMMERCIAL  = 'commercial';
+    const WTY_TNV         = 'tnv';
 
     const COLLECTION = [
         'private' => 'Private',
         'commercial' => 'Commercial',
+        'tnv' => 'TNV',
     ];
 }