diff --git a/classes/Tax.php b/classes/Tax.php
index 41730e33..28c52bde 100755
--- a/classes/Tax.php
+++ b/classes/Tax.php
@@ -281,26 +281,26 @@ class TaxCore extends ObjectModel
 	 */
 	public static function getProductTaxRate($id_product, $id_address = NULL)
 	{
-  	      $id_country = (int)Country::getDefaultCountryId();
-         $id_state = 0;
-         $id_county = 0;
-         $rate = 0;
-         if (!empty($id_address))
-         {
-             $address_infos = Address::getCountryAndState($id_address);
-         	 if ($address_infos['id_country'])
-             {
-	          		$id_country = (int)($address_infos['id_country']);
-	               $id_state = (int)$address_infos['id_state'];
-	               $id_county = (int)County::getIdCountyByZipCode($address_infos['id_state'], $address_infos['postcode']);
+		$id_country = (int)Country::getDefaultCountryId();
+		$id_state = 0;
+		$id_county = 0;
+		$rate = 0;
+		if (!empty($id_address)) {
+			$address_infos = Address::getCountryAndState($id_address);
+			if ($address_infos['id_country']) {
+				$id_country = (int)($address_infos['id_country']);
+				$id_state = (int)$address_infos['id_state'];
+				$id_county = (int)County::getIdCountyByZipCode($address_infos['id_state'], $address_infos['postcode']);
              }
 
-		    if (!empty($address_infos['vat_number']) AND $address_infos['id_country'] != Configuration::get('VATNUMBER_COUNTRY') AND Configuration::get('VATNUMBER_MANAGEMENT'))
-				    return 0;
+             if (!empty($address_infos['vat_number']) AND $address_infos['id_country'] != Configuration::get('VATNUMBER_COUNTRY') AND Configuration::get('VATNUMBER_MANAGEMENT')) {
+             	return 0;
+             }
 		}
 
-	    if ($rate = Tax::getProductTaxRateViaRules((int)$id_product, (int)$id_country, (int)$id_state, (int)$id_county))
-	        return $rate;
+		if ($rate = Tax::getProductTaxRateViaRules((int)$id_product, (int)$id_country, (int)$id_state, (int)$id_county)) {
+			return $rate;
+		}
 
 		return $rate;
 	}
diff --git a/modules/bulkupdate/AdminBulkUpdate.php b/modules/bulkupdate/AdminBulkUpdate.php
index 54d62c9e..09e7e5fe 100644
--- a/modules/bulkupdate/AdminBulkUpdate.php
+++ b/modules/bulkupdate/AdminBulkUpdate.php
@@ -548,31 +548,35 @@ class AdminBulkUpdate extends AdminTab {
             $prices = array();
 
             if (Tools::getValue('price_process') == 2) {
-                while($line = fgetcsv($f, 0, ';')) {
-                    if(empty($line[0])) {
+                while ($line = fgetcsv($f, 0, ';')) {
+                    if (empty($line[0])) {
                         continue;
                     }
 
                     $products[] = (int) $line[0];
                 }
-            } elseif(Tools::getValue('price_process') == 3 || Tools::getValue('price_process') == 4) {
-                while($line = fgetcsv($f, 0, ';')) {
-                    if(empty($line[0])) {
+            }
+            // Prix d'achat HT || Prix public TTC
+            elseif (Tools::getValue('price_process') == 3 || Tools::getValue('price_process') == 4) {
+                while ($line = fgetcsv($f, 0, ';')) {
+                    if (empty($line[0])) {
                         continue;
                     }
 
                     $prices[] = array(
-                        (int) $line[0],
-                        $line[1]
+                    	(int) $line[0],
+                    	$line[1]
                     );
                 }
-            } else {
-                while($line = fgetcsv($f, 0, ';')) {
-                    if(empty($line[0])) {
+            }
+            // Reduction
+            else {
+                while ($line = fgetcsv($f, 0, ';')) {
+                    if (empty($line[0])) {
                         continue;
                     }
 
-                    if(!isset($line[1])) {
+                    if (!isset($line[1])) {
                         continue;
                     }
 
@@ -587,6 +591,7 @@ class AdminBulkUpdate extends AdminTab {
 
             fclose($f);
 
+            // Reduction || ...
             if (Tools::getValue('price_process') == 1 || Tools::getValue('price_process') == 2) {
                 Db::getInstance()->ExecuteS('
                     DELETE FROM `'._DB_PREFIX_.'specific_price`
@@ -594,9 +599,10 @@ class AdminBulkUpdate extends AdminTab {
                 ');
             }
 
+            // Reduction
             if (Tools::getValue('price_process') == 1) {
-                foreach($prices as $price) {
-                    if((int) $price[0] != 0) {
+                foreach ($prices as $price) {
+                    if ((int) $price[0] != 0) {
                         Db::getInstance()->ExecuteS('
                             INSERT INTO `'._DB_PREFIX_.'specific_price` VALUES (
                                 DEFAULT,
@@ -618,51 +624,64 @@ class AdminBulkUpdate extends AdminTab {
                     }
                 }
             }
+            
+            // Prix d'achat HT
             if (Tools::getValue('price_process') == 3) {
-                foreach($prices as $price) {
-                    if((int) $price[0] != 0){
+                foreach ($prices as $price) {
+                    if ((int) $price[0] != 0){
                         $price[1] = str_replace(',', '.', $price[1]);
                         $price_ht = floatval($price[1]);
                         Db::getInstance()->ExecuteS('
                             UPDATE `'._DB_PREFIX_.'product`
                             SET wholesale_price = '. (float)$price_ht .'
                             WHERE id_product ='. (int)$price[0]);
-                    }else{
+                    } else {
                         $output .= '<p class="error">ID produit à 0, ligne non traitée : '.serialize($price).'</p>';
                     }
                 }
             }
+            
+            // Prix public TTC
             if (Tools::getValue('price_process') == 4) {
-                foreach($prices as $price) {
-                    if((int) $price[0] != 0){
+                foreach ($prices as $price) {
+                    if ((int) $price[0] != 0){
                         $price[1] = str_replace(',', '.', $price[1]);
-                        $price_ht = floatval($price[1] / 1.20);
+                        // Find Tax for this id product
+                        // product.id_tax_rules_group => tax_rules_group => tax_rule => tax.rate
+                        $tax = new Tax();
+                        $taxValue = $tax->getProductTaxRate((int)$price[0]);
+                        if ($taxValue == 0) {
+                        	$taxValue = 20;
+                        }
+                        
+                        $price_ht = floatval($price[1] / (1 + $taxValue / 100) );
                         Db::getInstance()->ExecuteS('
                             UPDATE `'._DB_PREFIX_.'product`
                             SET price = '. (float)$price_ht .'
                             WHERE id_product ='. (int)$price[0]);
-                    }else{
+                    } else {
                         $output .= '<p class="error">ID produit à 0, ligne non traitée : '.serialize($price).'</p>';
                     }
                 }
             }
 
             $output .= '<p class="conf">'.$this->l('Products updated').'</p>';
-        } elseif (Tools::isSubmit('submitUploadProductDescriptions')) {
+        }
+        elseif (Tools::isSubmit('submitUploadProductDescriptions')) {
             $id_lang = Tools::getValue('description_process');
             $f = fopen($_FILES['csvfile']['tmp_name'], 'r');
             fgetcsv($f, 0, ';');
 
             $products = array();
 
-            while($line = fgetcsv($f, 0, ';')) {
-                if($line[0] == '' || $line[1] == '') {
+            while ($line = fgetcsv($f, 0, ';')) {
+                if ($line[0] == '' || $line[1] == '') {
                     continue;
                 }
 
                 $products[] = $line;
             }
-            foreach($products as $line) {
+            foreach ($products as $line) {
                 $result = Db::getInstance()->ExecuteS('
                     UPDATE `'._DB_PREFIX_.'product_lang`
                     SET `description` = "'. pSQL($line[1],true) .'"
@@ -676,14 +695,15 @@ class AdminBulkUpdate extends AdminTab {
 
             fclose($f);
             $output .= '<p class="conf">'.$this->l('Products updated').'</p>';
-        } elseif (Tools::isSubmit('submitUploadCombinations')) {
+        }
+        elseif (Tools::isSubmit('submitUploadCombinations')) {
             $f = fopen($_FILES['csvfile']['tmp_name'], 'r');
             fgetcsv($f, 0, ';');
 
             $products = array();
 
-            while($line = fgetcsv($f, 0, ';')) {
-                if(empty($line[0])) {
+            while ($line = fgetcsv($f, 0, ';')) {
+                if (empty($line[0])) {
                     continue;
                 }