diff --git a/src/Resource/Account.php b/src/Resource/Account.php
index db20109..f9ea8bc 100644
--- a/src/Resource/Account.php
+++ b/src/Resource/Account.php
@@ -139,10 +139,10 @@ public function get($moip_id)
      *
      * @return bool
      */
-    public function checkExistence($tax_document)
+    public function checkExistence($tax_document, $type = 'tax_document')
     {
         try {
-            $this->getByPathNoPopulate(sprintf('/%s/%s/%s?tax_document=%s', MoipResource::VERSION, self::PATH, 'exists', $tax_document));
+            $this->getByPathNoPopulate(sprintf('/%s/%s/%s?%s=%s', MoipResource::VERSION, self::PATH, 'exists', $type, $tax_document));
 
             return true;
         } catch (ValidationException $e) {