diff --git a/htdocs/admin/payment.php b/htdocs/admin/payment.php
index fa99e2c202b..8ce904aad7c 100644
--- a/htdocs/admin/payment.php
+++ b/htdocs/admin/payment.php
@@ -69,7 +69,23 @@ if ($action == 'setmod')
     dolibarr_set_const($db, "PAYMENT_ADDON",$value,'chaine',0,'',$conf->entity);
 }
 
+if ($action == 'set_FACTURE_PAYMENTS_ON_DIFFERENT_THIRDPARTIES_BILLS')
+{
+	$freetext = GETPOST('FACTURE_PAYMENTS_ON_DIFFERENT_THIRDPARTIES_BILLS');	// No alpha here, we want exact string
 
+	$res = dolibarr_set_const($db, "FACTURE_PAYMENTS_ON_DIFFERENT_THIRDPARTIES_BILLS",$freetext,'chaine',0,'',$conf->entity);
+
+	if (! $res > 0) $error++;
+
+	if (! $error)
+	{
+		setEventMessages($langs->trans("SetupSaved"), null, 'mesgs');
+	}
+	else
+	{
+		setEventMessages($langs->trans("Error"), null, 'errors');
+	}
+}
 
 /*
  * View
@@ -215,6 +231,33 @@ foreach ($dirmodels as $reldir)
 
 print '</table>';
 
+print "<br />";
+
+print load_fiche_titre($langs->trans("OtherOptions"),'','');
+
+print '<table class="noborder" width="100%">';
+print '<tr class="liste_titre">';
+print '<td>'.$langs->trans("Parameter").'</td>';
+print '<td align="center" width="60">'.$langs->trans("Value").'</td>';
+print '<td width="80">&nbsp;</td>';
+print "</tr>\n";
+
+// Allow payments on different thirdparties bills but same parent company
+$var=! $var;
+print '<form action="'.$_SERVER["PHP_SELF"].'" method="POST">';
+print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'" />';
+print '<input type="hidden" name="action" value="set_FACTURE_PAYMENTS_ON_DIFFERENT_THIRDPARTIES_BILLS" />';
+print '<tr '.$bc[$var].'><td>';
+print $langs->trans("PaymentOnDifferentThirdBills");
+print '</td><td width="60" align="center">';
+print $form->selectyesno("FACTURE_PAYMENTS_ON_DIFFERENT_THIRDPARTIES_BILLS",$conf->global->FACTURE_PAYMENTS_ON_DIFFERENT_THIRDPARTIES_BILLS,1);
+print '</td><td align="right">';
+print '<input type="submit" class="button" value="'.$langs->trans("Modify").'" />';
+print "</td></tr>\n";
+print '</form>';
+
+print '</table>';
+
 dol_fiche_end();
 
 
diff --git a/htdocs/compta/paiement.php b/htdocs/compta/paiement.php
index fa1341dcbc6..a9414fcafeb 100644
--- a/htdocs/compta/paiement.php
+++ b/htdocs/compta/paiement.php
@@ -33,6 +33,7 @@ require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/class/paiement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
+require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
 
 $langs->load('companies');
 $langs->load('bills');
@@ -518,11 +519,21 @@ if ($action == 'create' || $action == 'confirm_paiement' || $action == 'add_paie
          * List of unpaid invoices
          */
         $sql = 'SELECT f.rowid as facid, f.facnumber, f.total_ttc, f.multicurrency_total_ttc, f.type, ';
-        $sql.= ' f.datef as df';
+        $sql.= ' f.datef as df, f.fk_soc as socid';
         $sql.= ' FROM '.MAIN_DB_PREFIX.'facture as f';
-        $sql.= ' WHERE f.entity = '.$conf->entity;
-        $sql.= ' AND f.fk_soc = '.$facture->socid;
-        $sql.= ' AND f.paye = 0';
+		
+		if(!empty($conf->global->FACTURE_PAYMENTS_ON_DIFFERENT_THIRDPARTIES_BILLS)) {
+			$sql.= ' LEFT JOIN '.MAIN_DB_PREFIX.'societe as s ON (f.fk_soc = s.rowid)';
+		}
+		
+		$sql.= ' WHERE f.entity = '.$conf->entity;
+        $sql.= ' AND (f.fk_soc = '.$facture->socid;
+        
+		if(!empty($conf->global->FACTURE_PAYMENTS_ON_DIFFERENT_THIRDPARTIES_BILLS)) {
+			$sql.= ' OR f.fk_soc IN (SELECT rowid FROM '.MAIN_DB_PREFIX.'societe WHERE parent = '.$facture->thirdparty->parent.')';
+		}
+		
+        $sql.= ') AND f.paye = 0';
         $sql.= ' AND f.fk_statut = 1'; // Statut=0 => not validated, Statut=2 => canceled
         if ($facture->type != 2)
         {
@@ -583,6 +594,9 @@ if ($action == 'create' || $action == 'confirm_paiement' || $action == 'add_paie
                     $objp = $db->fetch_object($resql);
                     $var=!$var;
 
+					$soc = new Societe($db);
+					$soc->fetch($objp->socid);
+
                     $invoice=new Facture($db);
                     $invoice->fetch($objp->facid);
                     $paiement = $invoice->getSommePaiement();
@@ -605,6 +619,7 @@ if ($action == 'create' || $action == 'confirm_paiement' || $action == 'add_paie
 
                     print '<td>';
                     print $invoice->getNomUrl(1,'');
+                    if($objp->socid != $facture->thirdparty->id) print ' - '.$soc->getNomUrl(1).' ';
                     print "</td>\n";
 
                     // Date
diff --git a/htdocs/langs/en_US/bills.lang b/htdocs/langs/en_US/bills.lang
index af2f6174315..f07b069e031 100644
--- a/htdocs/langs/en_US/bills.lang
+++ b/htdocs/langs/en_US/bills.lang
@@ -312,6 +312,7 @@ LatestRelatedBill=Latest related invoice
 WarningBillExist=Warning, one or more invoice already exist
 MergingPDFTool=Merging PDF tool
 AmountPaymentDistributedOnInvoice=Payment amount distributed on invoice
+PaymentOnDifferentThirdBills=Allow payments on different thirdparties bills but same parent company
 PaymentNote=Payment note
 ListOfPreviousSituationInvoices=List of previous situation invoices
 ListOfNextSituationInvoices=List of next situation invoices