diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 10dab38f8e2..236ceaa1a62 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -4955,7 +4955,7 @@ function getLocalTaxesFromRate($vatrate, $local, $buyer, $seller, $firstparamisi
  *
  *  @param	int			$idprod          	Id of product or 0 if not a predefined product
  *  @param  Societe		$thirdparty_seller  Thirdparty with a ->country_code defined (FR, US, IT, ...)
- *	@param	int			$idprodfournprice	Id product_fournisseur_price (for "supplier" order/invoice)
+ *	@param	int			$idprodfournprice	Id product_fournisseur_price (for "supplier" proposal/order/invoice)
  *  @return float|string   				    Vat rate to use with format 5.0 or '5.0 (XXX)'
  *  @see get_product_localtax_for_country
  */
@@ -4976,7 +4976,7 @@ function get_product_vat_for_country($idprod, $thirdparty_seller, $idprodfournpr
 
 		if ($mysoc->country_code == $thirdparty_seller->country_code) // If selling country is ours
 		{
-			if ($idprodfournprice > 0)     // We want vat for product for a "supplier" order or invoice
+			if ($idprodfournprice > 0)     // We want vat for product for a "supplier" object
 			{
 				$product->get_buyprice($idprodfournprice,0,0,0);
 				$ret=$product->vatrate_supplier;
@@ -5001,7 +5001,7 @@ function get_product_vat_for_country($idprod, $thirdparty_seller, $idprodfournpr
 		if (empty($conf->global->MAIN_VAT_DEFAULT_IF_AUTODETECT_FAILS))
 		{
 			// If vat of product for the country not found or not defined, we return the first higher vat of country.
-			$sql = "SELECT taux as vat_rate";
+			$sql = "SELECT c.taux as vat_rate, c.code as default_vat_code";
 			$sql.= " FROM ".MAIN_DB_PREFIX."c_tva as t, ".MAIN_DB_PREFIX."c_country as c";
 			$sql.= " WHERE t.active=1 AND t.fk_pays = c.rowid AND c.code='".$thirdparty_seller->country_code."'";
 			$sql.= " ORDER BY t.taux DESC, t.code ASC, t.recuperableonly ASC";
@@ -5014,6 +5014,7 @@ function get_product_vat_for_country($idprod, $thirdparty_seller, $idprodfournpr
 				if ($obj)
 				{
 					$ret=$obj->vat_rate;
+					if ($obj->default_vat_code) $ret.=' ('.$obj->default_vat_code.')';
 				}
 				$db->free($sql);
 			}