diff --git a/include/class/acc_ledger.class.php b/include/class/acc_ledger.class.php
index 40addb8e7..0d6b9a91b 100644
--- a/include/class/acc_ledger.class.php
+++ b/include/class/acc_ledger.class.php
@@ -1607,7 +1607,33 @@ class Acc_Ledger extends jrn_def_sql
             return false;
         throw new Exception("Valeur invalid ".__FILE__.':'.__LINE__);
     }
-
+    
+    /**
+     * When we write a record for the payment at the same time as a sale or a purchase, to have a 
+     * bank saldo reliable , all the bank operation must be in the same currency
+     * Operation = Currency 1 and Bank = Currency 2 then it must failed , except if currency 2 (of the bank is the 
+     * default currency
+     * @param string $p_qcode_payment Qcode of the payment card
+     * @param int  $p_currency_id currency id of the sale/purchase operation
+     * @throws Exception
+     */
+    function check_currency($p_qcode_payment, $p_currency_id)
+    {
+        $card=new Fiche($this->db);
+        $card->get_by_qcode($p_qcode_payment);
+        if ( $card->id == 0) throw new Exception (_("Fiche invalide"));
+        
+        $ledger = $card->get_bank_ledger();
+        if ( $ledger != NULL )
+        {
+            $ledger_currency_id=$ledger->get_currency()->get_id();
+            // if sale and payment are not the same currency and the 
+            if ($ledger_currency_id != 0 && $p_currency_id != $ledger_currency_id )
+            {
+                throw new Exception (_("Devise de la banque doit être identique à l'opération"));
+            }
+        }
+    }
     /**
      * @brief get the date of the last operation
      */
diff --git a/include/class/acc_ledger_purchase.class.php b/include/class/acc_ledger_purchase.class.php
index 2fc3cd5d1..af6f33e3b 100644
--- a/include/class/acc_ledger_purchase.class.php
+++ b/include/class/acc_ledger_purchase.class.php
@@ -159,7 +159,12 @@ class  Acc_Ledger_Purchase extends Acc_Ledger
         //------------------------------------------------------
         // The "Paid By"  check
         //------------------------------------------------------
-        if ($e_mp != 0 ) $this->check_payment($e_mp,${"e_mp_qcode_".$e_mp});
+        if ($e_mp != 0 ) {
+            $this->check_payment($e_mp,${"e_mp_qcode_".$e_mp});
+             // check for the currency , if we use a financial ledger and a card which is a bank account (with his own
+            // ledger , then the currency of the operation must be the same
+            $this->check_currency(${"e_mp_qcode_" . $e_mp},$p_currency_code);
+        }
 
 
         //----------------------------------------
diff --git a/include/class/acc_ledger_sold.class.php b/include/class/acc_ledger_sold.class.php
index 472de16fd..0640e1009 100644
--- a/include/class/acc_ledger_sold.class.php
+++ b/include/class/acc_ledger_sold.class.php
@@ -218,8 +218,15 @@ class Acc_Ledger_Sold extends Acc_Ledger {
 
         if ($e_mp != 0) {
             $this->check_payment($e_mp, ${"e_mp_qcode_" . $e_mp});
+            // check for the currency , if we use a financial ledger and a card which is a bank account (with his own
+            // ledger , then the currency of the operation must be the same
+            $this->check_currency(${"e_mp_qcode_" . $e_mp},$p_currency_code);
         }
         
+        
+        
+        
+        // 
         // Check payment date
         if ( isset ($mp_date) && trim ($mp_date) != "" && isDate($mp_date) == null)  {
             throw new Exception(_('Date de paiement invalide'),13);