diff --git a/htdocs/comm/propal/card.php b/htdocs/comm/propal/card.php
index 07e041a8fd1..d444193f2bd 100644
--- a/htdocs/comm/propal/card.php
+++ b/htdocs/comm/propal/card.php
@@ -831,6 +831,13 @@ if (empty($reshook)) {
 		foreach ($object->lines as $line) {
 			$result = $object->updateline($line->id, $line->subprice, $line->qty, $line->remise_percent, $vat_rate, $localtax1_rate, $localtax2_rate, $line->desc, 'HT', $line->info_bits, $line->special_code, $line->fk_parent_line, 0, $line->fk_fournprice, $line->pa_ht, $line->label, $line->product_type, $line->date_start, $line->date_end, $line->array_options, $line->fk_unit, $line->multicurrency_subprice);
 		}
+	} elseif ($action == 'addline' && GETPOST('submitforalllines', 'alpha') && GETPOST('remiseforalllines', 'alpha') !== '' && $usercancreate) {
+		// Define vat_rate
+		$remise_percent = (GETPOST('remiseforalllines') ? GETPOST('remiseforalllines') : 0);
+		$remise_percent = str_replace('*', '', $remise_percent);
+		foreach ($object->lines as $line) {
+			$result = $object->updateline($line->id, $line->subprice, $line->qty, $remise_percent, $line->tva_tx, $line->localtax1_tx, $line->localtax2_tx, $line->desc, 'HT', $line->info_bits, $line->special_code, $line->fk_parent_line, 0, $line->fk_fournprice, $line->pa_ht, $line->label, $line->product_type, $line->date_start, $line->date_end, $line->array_options, $line->fk_unit, $line->multicurrency_subprice);
+		}
 	} elseif ($action == 'addline' && $usercancreate) {		// Add line
 		// Set if we used free entry or predefined product
 		$predef = '';
diff --git a/htdocs/commande/card.php b/htdocs/commande/card.php
index d33ea387947..ecd647c7206 100644
--- a/htdocs/commande/card.php
+++ b/htdocs/commande/card.php
@@ -628,6 +628,13 @@ if (empty($reshook)) {
 		foreach ($object->lines as $line) {
 			$result = $object->updateline($line->id, $line->desc, $line->subprice, $line->qty, $line->remise_percent, $vat_rate, $localtax1_rate, $localtax2_rate, 'HT', $line->info_bits, $line->date_start, $line->date_end, $line->product_type, $line->fk_parent_line, 0, $line->fk_fournprice, $line->pa_ht, $line->label, $line->special_code, $line->array_options, $line->fk_unit, $line->multicurrency_subprice);
 		}
+	} elseif ($action == 'addline' && GETPOST('submitforalllines', 'alpha') && GETPOST('remiseforalllines', 'alpha') !== '' && $usercancreate) {
+		// Define remise_percent
+		$remise_percent = (GETPOST('remiseforalllines') ? GETPOST('remiseforalllines') : 0);
+		$remise_percent = str_replace('*', '', $remise_percent);
+		foreach ($object->lines as $line) {
+			$result = $object->updateline($line->id, $line->desc, $line->subprice, $line->qty, $remise_percent, $line->tva_tx, $line->localtax1_tx, $line->localtax2_tx, 'HT', $line->info_bits, $line->date_start, $line->date_end, $line->product_type, $line->fk_parent_line, 0, $line->fk_fournprice, $line->pa_ht, $line->label, $line->special_code, $line->array_options, $line->fk_unit, $line->multicurrency_subprice);
+		}
 	} elseif ($action == 'addline' && $usercancreate) {		// Add a new line
 		$langs->load('errors');
 		$error = 0;
diff --git a/htdocs/compta/facture/card.php b/htdocs/compta/facture/card.php
index 0cf7af2996e..0a13114fbbc 100644
--- a/htdocs/compta/facture/card.php
+++ b/htdocs/compta/facture/card.php
@@ -1994,6 +1994,13 @@ if (empty($reshook)) {
 		foreach ($object->lines as $line) {
 			$result = $object->updateline($line->id, $line->desc, $line->subprice, $line->qty, $line->remise_percent, $line->date_start, $line->date_end, $vat_rate, $localtax1_rate, $localtax2_rate, 'HT', $line->info_bits, $line->product_type, $line->fk_parent_line, 0, $line->fk_fournprice, $line->pa_ht, $line->label, $line->special_code, $line->array_options, $line->situation_percent, $line->fk_unit, $line->multicurrency_subprice);
 		}
+	} elseif ($action == 'addline' && GETPOST('submitforalllines', 'alpha') && GETPOST('remiseforalllines', 'alpha') !== '' && $usercancreate) {
+		// Define vat_rate
+		$remise_percent = (GETPOST('remiseforalllines') ? GETPOST('remiseforalllines') : 0);
+		$remise_percent = str_replace('*', '', $remise_percent);
+		foreach ($object->lines as $line) {
+			$result = $object->updateline($line->id, $line->desc, $line->subprice, $line->qty, $remise_percent, $line->date_start, $line->date_end, $line->tva_tx, $line->localtax1_tx, $line->localtax2_tx, 'HT', $line->info_bits, $line->product_type, $line->fk_parent_line, 0, $line->fk_fournprice, $line->pa_ht, $line->label, $line->special_code, $line->array_options, $line->situation_percent, $line->fk_unit, $line->multicurrency_subprice);
+		}
 	} elseif ($action == 'addline' && $usercancreate) {		// Add a new line
 		$langs->load('errors');
 		$error = 0;
diff --git a/htdocs/core/tpl/objectline_title.tpl.php b/htdocs/core/tpl/objectline_title.tpl.php
index e8dbec2ac77..f4f962db554 100644
--- a/htdocs/core/tpl/objectline_title.tpl.php
+++ b/htdocs/core/tpl/objectline_title.tpl.php
@@ -105,7 +105,24 @@ if (!empty($conf->global->PRODUCT_USE_UNITS)) {
 }
 
 // Reduction short
-print '<td class="linecoldiscount right">'.$langs->trans('ReductionShort').'</td>';
+print '<td class="linecoldiscount right">';
+print $langs->trans('ReductionShort');
+
+if (in_array($object->element, array('propal', 'commande', 'facture')) && $object->status == $object::STATUS_DRAFT) {
+	global $mysoc;
+
+	if (empty($disableedit)) {
+		print '<a class="reposition" href="'.$_SERVER["PHP_SELF"].'?mode=remiseforalllines&id='.$object->id.'">'.img_edit($langs->trans("UpdateForAllLines"), 0, 'class="clickvatforalllines opacitymedium paddingleft cursorpointer"').'</a>';
+	}
+	//print '<script>$(document).ready(function() { $(".clickremiseforalllines").click(function() { jQuery(".classremiseforalllines").toggle(); }); });</script>';
+	if (GETPOST('mode', 'aZ09') == 'remiseforalllines') {
+		print '<div class="remiseforalllines inline-block nowraponall">';
+		print '<input class="inline-block smallpaddingimp" name="remiseforalllines" value="0"> %';
+		print '<input class="inline-block button smallpaddingimp" type="submit" name="submitforalllines" value="'.$langs->trans("Update").'">';
+		print '</div>';
+	}
+}
+print '</td>';
 
 // Fields for situation invoice
 if (isset($this->situation_cycle_ref) && $this->situation_cycle_ref) {