diff --git a/QuickBooks/IPP/Service/TaxAgency.php b/QuickBooks/IPP/Service/TaxAgency.php
index <HASH>..<HASH> 100644
--- a/QuickBooks/IPP/Service/TaxAgency.php
+++ b/QuickBooks/IPP/Service/TaxAgency.php
@@ -25,4 +25,9 @@ class QuickBooks_IPP_Service_TaxAgency extends QuickBooks_IPP_Service
 	{
 		return parent::_query($Context, $realm, $query);
 	}
+
+	public function add($Context, $realm, $Object)
+	{
+		return parent::_add($Context, $realm, QuickBooks_IPP_IDS::RESOURCE_TAXAGENCY, $Object);
+	}
 }
Update TaxAgency.php

Add add() method