diff --git a/core/lib/Thelia/Model/ConfigQuery.php b/core/lib/Thelia/Model/ConfigQuery.php
index 87b506e93..ced3783fe 100755
--- a/core/lib/Thelia/Model/ConfigQuery.php
+++ b/core/lib/Thelia/Model/ConfigQuery.php
@@ -42,4 +42,9 @@ class ConfigQuery extends BaseConfigQuery {
     {
         return self::read('active-template', 'default');
     }
+
+    public static function useTaxFreeAmounts()
+    {
+        return self::read('use_tax_free_amounts', 'default') == 1;
+    }
 } // ConfigQuery
diff --git a/install/insert.sql b/install/insert.sql
index 917966893..d72765d20 100755
--- a/install/insert.sql
+++ b/install/insert.sql
@@ -7,6 +7,7 @@ INSERT INTO `lang`(`id`,`title`,`code`,`locale`,`url`,`date_format`,`time_format
 INSERT INTO `config` (`name`, `value`, `secured`, `hidden`, `created_at`, `updated_at`) VALUES
 ('session_config.default', '1', 1, 1, NOW(), NOW()),
 ('verifyStock', '1', 0, 0, NOW(), NOW()),
+('active-template', 'default', 0, 0, NOW(), NOW()),
 ('default_lang_without_translation', '1', 0, 0, NOW(), NOW()),
 ('rewriting_enable', '0', 0, 0, NOW(), NOW()),
 ('imagine_graphic_driver', 'gd', 0, 0, NOW(), NOW()),
@@ -15,7 +16,8 @@ INSERT INTO `config` (`name`, `value`, `secured`, `hidden`, `created_at`, `updat
 ('images_library_path', 'local/media/images', 0, 0, NOW(), NOW()),
 ('image_cache_dir_from_web_root', 'cache/images', 0, 0, NOW(), NOW()),
 ('currency_rate_update_url', 'http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml', 0, 0, NOW(), NOW()),
-('page_not_found_view', '404.html', 0, 0, NOW(), NOW());
+('page_not_found_view', '404.html', 0, 0, NOW(), NOW()),
+('use_tax_free_amounts', 1, 1, 0, NOW(), NOW());
 
 
 INSERT INTO `module` (`id`, `code`, `type`, `activate`, `position`, `full_namespace`, `created_at`, `updated_at`) VALUES