diff --git a/lib/Model/OrdersV0/OrderItem.php b/lib/Model/OrdersV0/OrderItem.php
index b40dded0e..59d41ad03 100644
--- a/lib/Model/OrdersV0/OrderItem.php
+++ b/lib/Model/OrdersV0/OrderItem.php
@@ -276,13 +276,16 @@ class OrderItem extends BaseModel implements ModelInterface, ArrayAccess, \JsonS
 
     const DEEMED_RESELLER_CATEGORY_IOSS = 'IOSS';
     const DEEMED_RESELLER_CATEGORY_UOSS = 'UOSS';
-    const DEEMED_RESELLER_CATEGORY_SG_VOEC = 'SG_VOEC';
-    const DEEMED_RESELLER_CATEGORY_GB_VOEC = 'GB_VOEC';
-    const DEEMED_RESELLER_CATEGORY_NO_VOEC = 'NO_VOEC';
     const DEEMED_RESELLER_CATEGORY_CA_MPF = 'CA_MPF';
     const DEEMED_RESELLER_CATEGORY_AU_VOEC = 'AU_VOEC';
-    const DEEMED_RESELLER_CATEGORY_NZ_VOEC = 'NZ_VOEC';
+    const DEEMED_RESELLER_CATEGORY_GB_VOEC = 'GB_VOEC';
     const DEEMED_RESELLER_CATEGORY_JE_VOEC = 'JE_VOEC';
+    const DEEMED_RESELLER_CATEGORY_KZ_VOEC = 'KZ_VOEC';
+    const DEEMED_RESELLER_CATEGORY_MY_VOEC = 'MY_VOEC';
+    const DEEMED_RESELLER_CATEGORY_NO_VOEC = 'NO_VOEC';
+    const DEEMED_RESELLER_CATEGORY_NG_VOEC = 'NG_VOEC';
+    const DEEMED_RESELLER_CATEGORY_NZ_VOEC = 'NZ_VOEC';
+    const DEEMED_RESELLER_CATEGORY_SG_VOEC = 'SG_VOEC';
     const DEEMED_RESELLER_CATEGORY_CH_SUPPLIER_IMPORT = 'CH_SUPPLIER_IMPORT';
     
     
@@ -297,13 +300,16 @@ public function getDeemedResellerCategoryAllowableValues()
         $baseVals = [
             self::DEEMED_RESELLER_CATEGORY_IOSS,
             self::DEEMED_RESELLER_CATEGORY_UOSS,
-            self::DEEMED_RESELLER_CATEGORY_SG_VOEC,
+            self::DEEMED_RESELLER_CATEGORY_AU_VOEC,
+            self::DEEMED_RESELLER_CATEGORY_CA_MPF,
             self::DEEMED_RESELLER_CATEGORY_GB_VOEC,
+            self::DEEMED_RESELLER_CATEGORY_JE_VOEC,
+            self::DEEMED_RESELLER_CATEGORY_KZ_VOEC,
+            self::DEEMED_RESELLER_CATEGORY_MY_VOEC,
             self::DEEMED_RESELLER_CATEGORY_NO_VOEC,
-            self::DEEMED_RESELLER_CATEGORY_CA_MPF,
-            self::DEEMED_RESELLER_CATEGORY_AU_VOEC,
+            self::DEEMED_RESELLER_CATEGORY_NG_VOEC,
             self::DEEMED_RESELLER_CATEGORY_NZ_VOEC,
-            self::DEEMED_RESELLER_CATEGORY_JE_VOEC,
+            self::DEEMED_RESELLER_CATEGORY_SG_VOEC,
             self::DEEMED_RESELLER_CATEGORY_CH_SUPPLIER_IMPORT,
         ];
 
diff --git a/lib/Model/OrdersV0/TaxCollection.php b/lib/Model/OrdersV0/TaxCollection.php
index 42b74044d..ea7ffbf1a 100644
--- a/lib/Model/OrdersV0/TaxCollection.php
+++ b/lib/Model/OrdersV0/TaxCollection.php
@@ -260,6 +260,9 @@ public function getResponsibleParty()
      */
     public function setResponsibleParty($responsible_party)
     {
+        if (empty($responsible_party)) {
+            $responsible_party = null;
+        }
         $allowedValues = $this->getResponsiblePartyAllowableValues();
         if (!is_null($responsible_party) &&!in_array(strtoupper($responsible_party), $allowedValues, true)) {
             throw new \InvalidArgumentException(