diff --git a/core/lib/Thelia/Action/Coupon.php b/core/lib/Thelia/Action/Coupon.php
index cdaa3424a..036502c68 100755
--- a/core/lib/Thelia/Action/Coupon.php
+++ b/core/lib/Thelia/Action/Coupon.php
@@ -29,6 +29,7 @@ use Thelia\Constraint\ConstraintFactory;
 use Thelia\Core\Event\Coupon\CouponConsumeEvent;
 use Thelia\Core\Event\Coupon\CouponCreateOrUpdateEvent;
 use Thelia\Core\Event\TheliaEvents;
+use Thelia\Core\HttpFoundation\Request;
 use Thelia\Coupon\CouponFactory;
 use Thelia\Coupon\CouponManager;
 use Thelia\Coupon\Type\CouponInterface;
@@ -101,10 +102,24 @@ class Coupon extends BaseAction implements EventSubscriberInterface
         /** @var CouponInterface $coupon */
         $coupon = $couponFactory->buildCouponFromCode($event->getCode());
 
-
         $isValid = $coupon->isMatching();
         if ($isValid) {
+            /** @var Request $request */
+            $request = $this->container->get('request');
+            $consumedCoupons = $request->getSession()->getConsumedCoupons();
+
+            if (!isset($consumedCoupons) || !$consumedCoupons) {
+                $consumedCoupons = array();
+            }
+
+            // Prevent accumulation of the same Coupon on a Checkout
+            $consumedCoupons[$event->getCode()] = $event->getCode();
+
+            $request->getSession()->setConsumedCoupons($consumedCoupons);
+
             $totalDiscount = $couponManager->getDiscount();
+
+            // @todo modify Cart total discount
         }
 
         $event->setIsValid($isValid);
diff --git a/core/lib/Thelia/Config/Resources/config.xml b/core/lib/Thelia/Config/Resources/config.xml
index ddb32cf65..cc92905b1 100755
--- a/core/lib/Thelia/Config/Resources/config.xml
+++ b/core/lib/Thelia/Config/Resources/config.xml
@@ -230,6 +230,8 @@
         <service id="thelia.constraint.factory" class="Thelia\Constraint\ConstraintFactory">
             <argument type="service" id="service_container" />
         </service>
+        <service id="thelia.constraint.validator" class="Thelia\Constraint\ConstraintValidator">
+        </service>
         <service id="thelia.constraint.rule.available_for_everyone" class="Thelia\Constraint\Rule\AvailableForEveryoneManager">
             <argument type="service" id="thelia.adapter" />
             <tag name="thelia.coupon.addRule"/>
diff --git a/core/lib/Thelia/Constraint/ConstraintValidator.php b/core/lib/Thelia/Constraint/ConstraintValidator.php
index edacee317..325faed22 100644
--- a/core/lib/Thelia/Constraint/ConstraintValidator.php
+++ b/core/lib/Thelia/Constraint/ConstraintValidator.php
@@ -52,7 +52,7 @@ class ConstraintValidator
      *
      * @return bool
      */
-    public function test(CouponRuleCollection $rules)
+    public function isMatching(CouponRuleCollection $rules)
     {
         $isMatching = true;
         /** @var CouponRuleInterface $rule */
diff --git a/core/lib/Thelia/Constraint/Rule/AvailableForTotalAmountManager.php b/core/lib/Thelia/Constraint/Rule/AvailableForTotalAmountManager.php
index 9f1bf23a0..30bc86ad6 100644
--- a/core/lib/Thelia/Constraint/Rule/AvailableForTotalAmountManager.php
+++ b/core/lib/Thelia/Constraint/Rule/AvailableForTotalAmountManager.php
@@ -25,7 +25,6 @@ namespace Thelia\Constraint\Rule;
 
 use Symfony\Component\Intl\Exception\NotImplementedException;
 use Symfony\Component\Translation\Translator;
-use Thelia\Constraint\ConstraintValidator;
 use Thelia\Coupon\CouponAdapterInterface;
 use Thelia\Constraint\Validator\PriceParam;
 use Thelia\Constraint\Validator\RuleValidator;
@@ -168,13 +167,12 @@ class AvailableForTotalAmountManager extends CouponRuleAbstract
             return false;
         }
 
-        $constrainValidator = new ConstraintValidator();
-        $constraint1 =$constrainValidator->variableOpComparison(
+        $constraint1 = $this->constraintValidator->variableOpComparison(
             $this->adapter->getCartTotalPrice(),
             $this->operators[self::INPUT1],
             $this->values[self::INPUT1]
         );
-        $constraint2 =$constrainValidator->variableOpComparison(
+        $constraint2 = $this->constraintValidator->variableOpComparison(
             $this->adapter->getCheckoutCurrency(),
             $this->operators[self::INPUT2],
             $this->values[self::INPUT2]
diff --git a/core/lib/Thelia/Constraint/Rule/AvailableForXArticlesManager.php b/core/lib/Thelia/Constraint/Rule/AvailableForXArticlesManager.php
index 26c7a8aeb..572d39b1d 100644
--- a/core/lib/Thelia/Constraint/Rule/AvailableForXArticlesManager.php
+++ b/core/lib/Thelia/Constraint/Rule/AvailableForXArticlesManager.php
@@ -126,8 +126,7 @@ class AvailableForXArticlesManager extends CouponRuleAbstract
      */
     public function isMatching()
     {
-        $constrainValidator = new ConstraintValidator();
-        $constraint1 =$constrainValidator->variableOpComparison(
+        $constraint1 = $this->constraintValidator->variableOpComparison(
             $this->adapter->getNbArticlesInCart(),
             $this->operators[self::INPUT1],
             $this->values[self::INPUT1]
diff --git a/core/lib/Thelia/Constraint/Rule/CouponRuleAbstract.php b/core/lib/Thelia/Constraint/Rule/CouponRuleAbstract.php
index 1cab6c48b..942e48d1f 100644
--- a/core/lib/Thelia/Constraint/Rule/CouponRuleAbstract.php
+++ b/core/lib/Thelia/Constraint/Rule/CouponRuleAbstract.php
@@ -82,6 +82,7 @@ abstract class CouponRuleAbstract implements CouponRuleInterface
     {
         $this->adapter = $adapter;
         $this->translator = $adapter->getTranslator();
+        $this->constraintValidator = $adapter->getConstraintValidator();
     }
 
 //    /**
diff --git a/core/lib/Thelia/Controller/Admin/CouponController.php b/core/lib/Thelia/Controller/Admin/CouponController.php
index 9718e655d..8f3d3381b 100755
--- a/core/lib/Thelia/Controller/Admin/CouponController.php
+++ b/core/lib/Thelia/Controller/Admin/CouponController.php
@@ -495,7 +495,7 @@ class CouponController extends BaseAdminController
             $couponConsumeEvent
         );
 
-        var_dump('test');
+        var_dump('test', $couponConsumeEvent->getCode(), $couponConsumeEvent->getDiscount(), $couponConsumeEvent->getIsValid());
 
         exit();
     }
diff --git a/core/lib/Thelia/Core/HttpFoundation/Session/Session.php b/core/lib/Thelia/Core/HttpFoundation/Session/Session.php
index f2eaadc4d..bce8e712a 100755
--- a/core/lib/Thelia/Core/HttpFoundation/Session/Session.php
+++ b/core/lib/Thelia/Core/HttpFoundation/Session/Session.php
@@ -220,4 +220,29 @@ class Session extends BaseSession
     {
         return $this->get("thelia.delivery_id");
     }
+
+
+    /**
+     * Set consumed coupons by the Customer
+     *
+     * @param array $couponsCode An array of Coupon code
+     *
+     * @return $this
+     */
+    public function setConsumedCoupons(array $couponsCode)
+    {
+        $this->set('thelia.consumed_coupons', $couponsCode);
+
+        return $this;
+    }
+
+    /**
+     * Get Customer consumed coupons
+     *
+     * @return array $couponsCode An array of Coupon code
+     */
+    public function getConsumedCoupons()
+    {
+        return $this->get('thelia.consumed_coupons');
+    }
 }
diff --git a/core/lib/Thelia/Coupon/CouponAdapterInterface.php b/core/lib/Thelia/Coupon/CouponAdapterInterface.php
index 134d061be..b2c168186 100644
--- a/core/lib/Thelia/Coupon/CouponAdapterInterface.php
+++ b/core/lib/Thelia/Coupon/CouponAdapterInterface.php
@@ -155,4 +155,18 @@ interface CouponAdapterInterface
      */
     public function getMainCurrency();
 
+    /**
+     * Return request
+     *
+     * @return Request
+     */
+    public function getRequest();
+
+    /**
+     * Return Constraint Validator
+     *
+     * @return ConstraintValidator
+     */
+    public function getConstraintValidator();
+
 }
\ No newline at end of file
diff --git a/core/lib/Thelia/Coupon/CouponBaseAdapter.php b/core/lib/Thelia/Coupon/CouponBaseAdapter.php
index 5d308509e..f9fae8651 100644
--- a/core/lib/Thelia/Coupon/CouponBaseAdapter.php
+++ b/core/lib/Thelia/Coupon/CouponBaseAdapter.php
@@ -27,6 +27,7 @@ use Symfony\Component\DependencyInjection\Container;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\Translation\Translator;
 use Symfony\Component\Translation\TranslatorInterface;
+use Thelia\Constraint\ConstraintValidator;
 use Thelia\Core\HttpFoundation\Request;
 use Thelia\Core\Security\SecurityContext;
 use Thelia\Coupon\Type\CouponInterface;
@@ -155,6 +156,11 @@ class CouponBaseAdapter implements CouponAdapterInterface
      */
     public function getCurrentCoupons()
     {
+        // @todo implement
+//        $consumedCoupons = $this->getRequest()->getSession()->getConsumedCoupons();
+        // @todo convert coupon code to coupon Interface
+
+
         $couponFactory = $this->container->get('thelia.coupon.factory');
 
         // @todo get from cart
@@ -250,4 +256,14 @@ class CouponBaseAdapter implements CouponAdapterInterface
     {
         return $this->container->get('request');
     }
+
+    /**
+     * Return Constraint Validator
+     *
+     * @return ConstraintValidator
+     */
+    public function getConstraintValidator()
+    {
+        return $this->container->get('thelia.constraint.validator');
+    }
 }
diff --git a/core/lib/Thelia/Coupon/CouponManager.php b/core/lib/Thelia/Coupon/CouponManager.php
index 93cdd21fe..d8575c3e6 100644
--- a/core/lib/Thelia/Coupon/CouponManager.php
+++ b/core/lib/Thelia/Coupon/CouponManager.php
@@ -183,6 +183,7 @@ class CouponManager
         $discount = 0.00;
         /** @var CouponInterface $coupon */
         foreach ($coupons as $coupon) {
+            // @todo modify Cart with discount for each cart item
             $discount += $coupon->getDiscount($this->adapter);
         }
 
diff --git a/core/lib/Thelia/Coupon/Type/CouponAbstract.php b/core/lib/Thelia/Coupon/Type/CouponAbstract.php
index 647635024..45e1427f1 100644
--- a/core/lib/Thelia/Coupon/Type/CouponAbstract.php
+++ b/core/lib/Thelia/Coupon/Type/CouponAbstract.php
@@ -26,6 +26,7 @@ namespace Thelia\Coupon\Type;
 use Symfony\Component\Intl\Exception\NotImplementedException;
 use Thelia\Constraint\ConstraintManager;
 use Thelia\Constraint\ConstraintValidator;
+use Thelia\Core\Translation\Translator;
 use Thelia\Coupon\CouponAdapterInterface;
 use Thelia\Coupon\CouponRuleCollection;
 use Thelia\Coupon\RuleOrganizerInterface;
@@ -44,9 +45,6 @@ use Thelia\Exception\InvalidRuleException;
  */
 abstract class CouponAbstract implements CouponInterface
 {
-    /** @var string Service Id  */
-    protected $serviceId = null;
-
     /** @var  CouponAdapterInterface Provide necessary value from Thelia */
     protected $adapter = null;
 
@@ -62,9 +60,19 @@ abstract class CouponAbstract implements CouponInterface
     /** @var ConstraintValidator Constraint validator */
     protected $constraintValidator = null;
 
+
+
+    /** @var string Service Id  */
+    protected $serviceId = null;
+
+    /** @var float Amount that will be removed from the Checkout (Coupon Effect)  */
+    protected $amount = 0;
+
     /** @var string Coupon code (ex: XMAS) */
     protected $code = null;
 
+
+
     /** @var string Coupon title (ex: Coupon for XMAS) */
     protected $title = null;
 
@@ -74,6 +82,8 @@ abstract class CouponAbstract implements CouponInterface
     /** @var string Coupon description */
     protected $description = null;
 
+
+
     /** @var bool if Coupon is enabled */
     protected $isEnabled = false;
 
@@ -86,9 +96,6 @@ abstract class CouponAbstract implements CouponInterface
     /** @var bool if Coupon is removing postage */
     protected $isRemovingPostage = false;
 
-    /** @var float Amount that will be removed from the Checkout (Coupon Effect)  */
-    protected $amount = 0;
-
     /** @var int Max time a Coupon can be used (-1 = unlimited) */
     protected $maxUsage = -1;
 
@@ -105,6 +112,7 @@ abstract class CouponAbstract implements CouponInterface
     {
         $this->adapter = $adapter;
         $this->translator = $adapter->getTranslator();
+        $this->constraintValidator = $adapter->getConstraintValidator();
     }
 
     /**
@@ -220,17 +228,6 @@ abstract class CouponAbstract implements CouponInterface
         return $this;
     }
 
-    /**
-     * Check if the current Coupon is matching its conditions (Rules)
-     * Thelia variables are given by the CouponAdapterInterface
-     *
-     * @return bool
-     */
-    public function isMatching()
-    {
-        return $this->constraintValidator->test($this->rules);
-    }
-
     /**
      * Return Coupon expiration date
      *
@@ -302,4 +299,16 @@ abstract class CouponAbstract implements CouponInterface
     }
 
 
+    /**
+     * Check if the current Coupon is matching its conditions (Rules)
+     * Thelia variables are given by the CouponAdapterInterface
+     *
+     * @return bool
+     */
+    public function isMatching()
+    {
+        return $this->constraintValidator->isMatching($this->rules);
+    }
+
+
 }
diff --git a/core/lib/Thelia/Coupon/Type/CouponInterface.php b/core/lib/Thelia/Coupon/Type/CouponInterface.php
index f0426298f..be76c1878 100644
--- a/core/lib/Thelia/Coupon/Type/CouponInterface.php
+++ b/core/lib/Thelia/Coupon/Type/CouponInterface.php
@@ -39,6 +39,27 @@ use Thelia\Coupon\CouponRuleCollection;
  */
 interface CouponInterface
 {
+    /**
+     * Get I18n name
+     *
+     * @return string
+     */
+    public function getName();
+
+    /**
+     * Get I18n tooltip
+     *
+     * @return string
+     */
+    public function getToolTip();
+
+    /**
+     * Get Coupon Manager service Id
+     *
+     * @return string
+     */
+    public function getServiceId();
+
     /**
      * Set Coupon
      *
@@ -114,18 +135,7 @@ interface CouponInterface
      */
     public function isRemovingPostage();
 
-    /**
-     * Return effects generated by the coupon
-     * A positive value
-     *
-     * Effects could also affect something else than the final Checkout price
-     * CouponAdapter $adapter could be use to directly pass a Session value
-     * some would wish to modify
-     * Hence affecting a wide variety of Thelia elements
-     *
-     * @return float Amount removed from the Total Checkout
-     */
-    public function getDiscount();
+
 
     /**
      * Return condition to validate the Coupon or not
@@ -134,14 +144,6 @@ interface CouponInterface
      */
     public function getRules();
 
-    /**
-     * Check if the current Coupon is matching its conditions (Rules)
-     * Thelia variables are given by the CouponAdapterInterface
-     *
-     * @return bool
-     */
-    public function isMatching();
-
     /**
      * Replace the existing Rules by those given in parameter
      * If one Rule is badly implemented, no Rule will be added
@@ -191,25 +193,26 @@ interface CouponInterface
      */
     public function isExpired();
 
-    /**
-     * Get I18n name
-     *
-     * @return string
-     */
-    public function getName();
 
     /**
-     * Get I18n tooltip
+     * Return effects generated by the coupon
+     * A positive value
      *
-     * @return string
+     * Effects could also affect something else than the final Checkout price
+     * CouponAdapter $adapter could be use to directly pass a Session value
+     * some would wish to modify
+     * Hence affecting a wide variety of Thelia elements
+     *
+     * @return float Amount removed from the Total Checkout
      */
-    public function getToolTip();
+    public function getDiscount();
 
     /**
-     * Get Coupon Manager service Id
+     * Check if the current Coupon is matching its conditions (Rules)
+     * Thelia variables are given by the CouponAdapterInterface
      *
-     * @return string
+     * @return bool
      */
-    public function getServiceId();
+    public function isMatching();
 
 }
diff --git a/core/lib/Thelia/Tests/Constraint/ConstraintValidatorTest.php b/core/lib/Thelia/Tests/Constraint/ConstraintValidatorTest.php
index 01e9dde69..17b6b49e1 100644
--- a/core/lib/Thelia/Tests/Constraint/ConstraintValidatorTest.php
+++ b/core/lib/Thelia/Tests/Constraint/ConstraintValidatorTest.php
@@ -79,7 +79,7 @@ class ConstraintValidatorTest extends \PHPUnit_Framework_TestCase
         $rules = new CouponRuleCollection();
         $rules->add($rule1);
 
-        $isValid = $ConstraintValidator->test($rules);
+        $isValid = $ConstraintValidator->isMatching($rules);
 
         $expected = true;
         $actual =$isValid;
@@ -113,7 +113,7 @@ class ConstraintValidatorTest extends \PHPUnit_Framework_TestCase
         $rules = new CouponRuleCollection();
         $rules->add($rule1);
 
-        $isValid = $ConstraintValidator->test($rules);
+        $isValid = $ConstraintValidator->isMatching($rules);
 
         $expected = false;
         $actual =$isValid;
@@ -160,7 +160,7 @@ class ConstraintValidatorTest extends \PHPUnit_Framework_TestCase
         $rules->add($rule1);
         $rules->add($rule2);
 
-        $isValid = $ConstraintValidator->test($rules);
+        $isValid = $ConstraintValidator->isMatching($rules);
 
         $expected = true;
         $actual =$isValid;
@@ -207,7 +207,7 @@ class ConstraintValidatorTest extends \PHPUnit_Framework_TestCase
         $rules->add($rule1);
         $rules->add($rule2);
 
-        $isValid = $ConstraintValidator->test($rules);
+        $isValid = $ConstraintValidator->isMatching($rules);
 
         $expected = false;
         $actual =$isValid;