diff --git a/core/lib/Thelia/Core/Template/Loop/Cart.php b/core/lib/Thelia/Core/Template/Loop/Cart.php
index b2121757a..fdabe26c8 100755
--- a/core/lib/Thelia/Core/Template/Loop/Cart.php
+++ b/core/lib/Thelia/Core/Template/Loop/Cart.php
@@ -16,6 +16,7 @@ use Thelia\Core\Template\Element\LoopResultRow;
 use Thelia\Core\Template\Loop\Argument\Argument;
 use Thelia\Core\Template\Loop\Argument\ArgumentCollection;
 use Thelia\Model\CountryQuery;
+use Thelia\TaxEngine\TaxEngine;
 use Thelia\Type;
 
 class Cart extends BaseLoop implements ArraySearchLoopInterface
@@ -78,7 +79,7 @@ class Cart extends BaseLoop implements ArraySearchLoopInterface
 
     public function parseResults(LoopResult $loopResult)
     {
-        $taxCountry = CountryQuery::create()->findPk(64); // @TODO : make it magic;
+        $taxCountry = TaxEngine::getInstance($this->request->getSession())->getTaxCountry();
 
         foreach($loopResult->getResultDataCollection() as $cartItem) {
             $product = $cartItem->getProduct();
diff --git a/core/lib/Thelia/Core/Template/Loop/Product.php b/core/lib/Thelia/Core/Template/Loop/Product.php
index 09aff4479..031a37560 100755
--- a/core/lib/Thelia/Core/Template/Loop/Product.php
+++ b/core/lib/Thelia/Core/Template/Loop/Product.php
@@ -42,6 +42,7 @@ use Thelia\Model\Map\ProductPriceTableMap;
 use Thelia\Model\Map\ProductSaleElementsTableMap;
 use Thelia\Model\Map\ProductTableMap;
 use Thelia\Model\ProductQuery;
+use Thelia\TaxEngine\TaxEngine;
 use Thelia\Type\TypeCollection;
 use Thelia\Type;
 
@@ -464,7 +465,7 @@ class Product extends BaseI18nLoop implements PropelSearchLoopInterface, SearchL
             return $this->parseComplex($loopResult);
         }
 
-        $taxCountry = CountryQuery::create()->findPk(64);  // @TODO : make it magic
+        $taxCountry = TaxEngine::getInstance($this->request->getSession())->getTaxCountry();
 
         foreach ($loopResult->getResultDataCollection() as $product) {
 
@@ -979,7 +980,7 @@ class Product extends BaseI18nLoop implements PropelSearchLoopInterface, SearchL
     {
         $loopResult = new LoopResult($results);
 
-        $taxCountry = CountryQuery::create()->findPk(64);  // @TODO : make it magic
+        $taxCountry = TaxEngine::getInstance($this->request->getSession())->getTaxCountry();
 
         foreach ($loopResult->getResultDataCollection() as $product) {
 
diff --git a/core/lib/Thelia/Core/Template/Smarty/Plugins/DataAccessFunctions.php b/core/lib/Thelia/Core/Template/Smarty/Plugins/DataAccessFunctions.php
index 8cea3c60d..0c38ed899 100755
--- a/core/lib/Thelia/Core/Template/Smarty/Plugins/DataAccessFunctions.php
+++ b/core/lib/Thelia/Core/Template/Smarty/Plugins/DataAccessFunctions.php
@@ -40,6 +40,7 @@ use Thelia\Model\OrderQuery;
 use Thelia\Model\Product;
 use Thelia\Model\ProductQuery;
 use Thelia\Model\Tools\ModelCriteriaTools;
+use Thelia\TaxEngine\TaxEngine;
 use Thelia\Tools\DateTimeFormat;
 use Thelia\Cart\CartTrait;
 
@@ -181,10 +182,10 @@ class DataAccessFunctions extends AbstractSmartyPlugin
     public function cartDataAccess($params, $smarty)
     {
         if (array_key_exists('currentCountry', self::$dataAccessCache)) {
-            $currentCountry = self::$dataAccessCache['currentCountry'];
+            $taxCountry = self::$dataAccessCache['currentCountry'];
         } else {
-            $currentCountry = CountryQuery::create()->findOneById(64); // @TODO : make it magic
-            self::$dataAccessCache['currentCountry'] = $currentCountry;
+            $taxCountry = TaxEngine::getInstance($this->request->getSession())->getTaxCountry();
+            self::$dataAccessCache['currentCountry'] = $taxCountry;
         }
 
         $cart = $this->getCart($this->request);
@@ -197,7 +198,7 @@ class DataAccessFunctions extends AbstractSmartyPlugin
                 $result = $cart->getTotalAmount();
                 break;
             case "total_taxed_price":
-                $result = $cart->getTaxedAmount($currentCountry);
+                $result = $cart->getTaxedAmount($taxCountry);
                 break;
         }
 
diff --git a/core/lib/Thelia/TaxEngine/TaxEngine.php b/core/lib/Thelia/TaxEngine/TaxEngine.php
index 8e5a5695a..547cac9bd 100755
--- a/core/lib/Thelia/TaxEngine/TaxEngine.php
+++ b/core/lib/Thelia/TaxEngine/TaxEngine.php
@@ -22,6 +22,10 @@
 /*************************************************************************************/
 namespace Thelia\TaxEngine;
 
+use Symfony\Component\HttpFoundation\Session\Session;
+use Thelia\Model\AddressQuery;
+use Thelia\Model\CountryQuery;
+
 /**
  * Class TaxEngine
  * @package Thelia\TaxEngine
@@ -29,9 +33,28 @@ namespace Thelia\TaxEngine;
  */
 class TaxEngine
 {
-    static public function getInstance()
+    protected static $instance = null;
+
+    protected static $taxCountry = null;
+
+    /**
+     * @var Session $session
+     */
+    protected $session = null;
+
+    static public function getInstance(Session $session)
     {
-        return new TaxEngine();
+        if(null === self::$instance) {
+            self::$instance = new TaxEngine();
+        }
+
+        self::$instance->setSession($session);
+        return self::$instance;
+    }
+
+    protected function setSession(Session $session)
+    {
+        $this->session = $session;
     }
 
     private function getTaxTypeDirectory()
@@ -68,4 +91,36 @@ class TaxEngine
 
         return $typeList;
     }
+
+    /**
+     * Find Tax Country Id
+     * First look for a picked delivery address country
+     * Then look at the current customer default address country
+     * Else look at the default website country
+     *
+     * @param bool $force result is static cached ; even if a below parameter change between 2 calls, we need to keep coherent results. but you can force it.
+     * @return null|TaxEngine
+     */
+    public function getTaxCountry($force = false)
+    {
+        if(false === $force || null === self::$taxCountry) {
+            /* is there a logged in customer ? */
+            if(null !== $customer = $this->session->getCustomerUser()) {
+                if (null !== $this->session->getOrder()
+                        && null !== $this->session->getOrder()->chosenDeliveryAddress
+                        && null !== $currentDeliveryAddress = AddressQuery::create()->findPk($this->session->getOrder()->chosenDeliveryAddress)) {
+                    $taxCountry = $currentDeliveryAddress->getCountry();
+                } else {
+                    $customerDefaultAddress = $customer->getDefaultAddress();
+                    $taxCountry = $customerDefaultAddress->getCountry();
+                }
+            } else {
+                $taxCountry = CountryQuery::create()->findOneByByDefault(1);
+            }
+
+            self::$taxCountry = $taxCountry;
+        }
+
+        return self::$taxCountry;
+    }
 }