diff --git a/modules/tax/src/TaxZone.php b/modules/tax/src/TaxZone.php
index 2037b336..bb027e4a 100755
--- a/modules/tax/src/TaxZone.php
+++ b/modules/tax/src/TaxZone.php
@@ -135,10 +135,12 @@ class TaxZone {
    * @return bool
    *   TRUE if the address belongs to the zone, FALSE otherwise.
    */
-  public function match(AddressInterface $address) {
-    foreach ($this->territories as $territory) {
-      if ($territory->match($address)) {
-        return TRUE;
+  public function match(AddressInterface $address = NULL) {
+    if ($address) {
+      foreach ($this->territories as $territory) {
+        if ($territory->match($address)) {
+          return TRUE;
+        }
       }
     }
     return FALSE;