diff --git a/htdocs/accountancy/customer/index.php b/htdocs/accountancy/customer/index.php
index 6874aacb58a..d33f5e12312 100644
--- a/htdocs/accountancy/customer/index.php
+++ b/htdocs/accountancy/customer/index.php
@@ -170,7 +170,7 @@ if ($action == 'validatehistory') {
 		while ($i < min($num_lines, 10000)) {	// No more than 10000 at once
 			$objp = $db->fetch_object($result);
 
-			$isBuyerInEEC = isInEEC($objp);
+			$isBuyerInEEC = isInEEC($objp);	// This make a database request but there is a cache into $conf->cache['country_code_in_EEC']
 
 			// Level 2: Search suggested account for product/service (similar code exists in page list.php to make manual binding)
 			$suggestedaccountingaccountfor = '';
diff --git a/htdocs/core/lib/company.lib.php b/htdocs/core/lib/company.lib.php
index d197b687876..3a61ea21efb 100644
--- a/htdocs/core/lib/company.lib.php
+++ b/htdocs/core/lib/company.lib.php
@@ -754,7 +754,7 @@ function isInEEC($object)
 		return false;
 	}
 
-	$country_code_in_EEC = getCountriesInEEC();
+	$country_code_in_EEC = getCountriesInEEC();		// This make a database call but there is a cache done into $conf->cache['country_code_in_EEC']
 
 	//print "dd".$object->country_code;
 	return in_array($object->country_code, $country_code_in_EEC);