diff --git a/htdocs/supplier_proposal/list.php b/htdocs/supplier_proposal/list.php
index 3c89be6bfe4..4a4698fdd07 100644
--- a/htdocs/supplier_proposal/list.php
+++ b/htdocs/supplier_proposal/list.php
@@ -1,16 +1,17 @@
 <?php
-/* Copyright (C) 2001-2007 Rodolphe Quiedeville  <rodolphe@quiedeville.org>
- * Copyright (C) 2004-2017 Laurent Destailleur   <eldy@users.sourceforge.net>
- * Copyright (C) 2004      Eric Seigne           <eric.seigne@ryxeo.com>
- * Copyright (C) 2005      Marc Barilley / Ocebo <marc@ocebo.com>
- * Copyright (C) 2005-2013 Regis Houssin         <regis.houssin@inodbox.com>
- * Copyright (C) 2006      Andre Cianfarani      <acianfa@free.fr>
- * Copyright (C) 2010-2011 Juanjo Menent         <jmenent@2byte.es>
- * Copyright (C) 2010-2019 Philippe Grand        <philippe.grand@atoo-net.com>
- * Copyright (C) 2012      Christophe Battarel   <christophe.battarel@altairis.fr>
- * Copyright (C) 2013      Cédric Salvador       <csalvador@gpcsolutions.fr>
- * Copyright (C) 2016	   Ferran Marcet         <fmarcet@2byte.es>
- * Copyright (C) 2018	   Charlene Benke        <charlie@patas-monkey.com>
+/* Copyright (C) 2001-2007	Rodolphe Quiedeville	<rodolphe@quiedeville.org>
+ * Copyright (C) 2004-2017	Laurent Destailleur		<eldy@users.sourceforge.net>
+ * Copyright (C) 2004		Eric Seigne				<eric.seigne@ryxeo.com>
+ * Copyright (C) 2005		Marc Barilley / Ocebo	<marc@ocebo.com>
+ * Copyright (C) 2005-2013	Regis Houssin			<regis.houssin@inodbox.com>
+ * Copyright (C) 2006		Andre Cianfarani		<acianfa@free.fr>
+ * Copyright (C) 2010-2011	Juanjo Menent			<jmenent@2byte.es>
+ * Copyright (C) 2010-2019	Philippe Grand			<philippe.grand@atoo-net.com>
+ * Copyright (C) 2012		Christophe Battarel		<christophe.battarel@altairis.fr>
+ * Copyright (C) 2013		Cédric Salvador			<csalvador@gpcsolutions.fr>
+ * Copyright (C) 2016		Ferran Marcet			<fmarcet@2byte.es>
+ * Copyright (C) 2018		Charlene Benke			<charlie@patas-monkey.com>
+ * Copyright (C) 2021		Alexandre Spangaro		<aspangaro@open-dsi.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -65,6 +66,22 @@ $search_town = GETPOST('search_town', 'alpha');
 $search_zip = GETPOST('search_zip', 'alpha');
 $search_state = GETPOST("search_state");
 $search_country = GETPOST("search_country", 'int');
+$search_date_startday = GETPOST('search_date_startday', 'int');
+$search_date_startmonth = GETPOST('search_date_startmonth', 'int');
+$search_date_startyear = GETPOST('search_date_startyear', 'int');
+$search_date_endday = GETPOST('search_date_endday', 'int');
+$search_date_endmonth = GETPOST('search_date_endmonth', 'int');
+$search_date_endyear = GETPOST('search_date_endyear', 'int');
+$search_date_start = dol_mktime(0, 0, 0, $search_date_startmonth, $search_date_startday, $search_date_startyear);	// Use tzserver
+$search_date_end = dol_mktime(23, 59, 59, $search_date_endmonth, $search_date_endday, $search_date_endyear);
+$search_date_valid_startday = GETPOST('search_date_valid_startday', 'int');
+$search_date_valid_startmonth = GETPOST('search_date_valid_startmonth', 'int');
+$search_date_valid_startyear = GETPOST('search_date_valid_startyear', 'int');
+$search_date_valid_endday = GETPOST('search_date_valid_endday', 'int');
+$search_date_valid_endmonth = GETPOST('search_date_valid_endmonth', 'int');
+$search_date_valid_endyear = GETPOST('search_date_valid_endyear', 'int');
+$search_date_valid_start = dol_mktime(0, 0, 0, $search_date_valid_startmonth, $search_date_valid_startday, $search_date_valid_startyear);	// Use tzserver
+$search_date_valid_end = dol_mktime(23, 59, 59, $search_date_valid_endmonth, $search_date_valid_endday, $search_date_valid_endyear);
 $search_type_thirdparty = GETPOST("search_type_thirdparty", 'int');
 $search_montant_ht = GETPOST('search_montant_ht', 'alpha');
 $search_montant_vat = GETPOST('search_montant_vat', 'alpha');
@@ -83,12 +100,6 @@ $search_remove_btn = GETPOST('button_removefilter', 'alpha');
 $sall = trim((GETPOST('search_all', 'alphanohtml') != '') ?GETPOST('search_all', 'alphanohtml') : GETPOST('sall', 'alphanohtml'));
 
 $mesg = (GETPOST("msg") ? GETPOST("msg") : GETPOST("mesg"));
-$year = GETPOST("year");
-$month = GETPOST("month");
-$day = GETPOST("day");
-$yearvalid = GETPOST("yearvalid");
-$monthvalid = GETPOST("monthvalid");
-$dayvalid = GETPOST("dayvalid");
 
 $optioncss = GETPOST('optioncss', 'alpha');
 $limit = GETPOST('limit', 'int') ?GETPOST('limit', 'int') : $conf->liste_limit;
@@ -227,12 +238,22 @@ if (GETPOST('button_removefilter_x', 'alpha') || GETPOST('button_removefilter.x'
 	$search_type = '';
 	$search_country = '';
 	$search_type_thirdparty = '';
-	$yearvalid = '';
-	$monthvalid = '';
-	$dayvalid = '';
-	$year = '';
-	$month = '';
-	$day = '';
+	$search_date_startday = '';
+	$search_date_startmonth = '';
+	$search_date_startyear = '';
+	$search_date_endday = '';
+	$search_date_endmonth = '';
+	$search_date_endyear = '';
+	$search_date_start = '';
+	$search_date_end = '';
+	$search_date_valid_startday = '';
+	$search_date_valid_startmonth = '';
+	$search_date_valid_startyear = '';
+	$search_date_valid_endday = '';
+	$search_date_valid_endmonth = '';
+	$search_date_valid_endyear = '';
+	$search_date_valid_start = '';
+	$search_date_valid_end = '';
 	$search_status = '';
 	$object_statut = '';
 }
@@ -376,8 +397,18 @@ if ($socid) {
 if ($search_status >= 0 && $search_status != '') {
 	$sql .= ' AND sp.fk_statut IN ('.$db->sanitize($db->escape($search_status)).')';
 }
-$sql .= dolSqlDateFilter("sp.date_livraison", $day, $month, $year);
-$sql .= dolSqlDateFilter("sp.date_valid", $dayvalid, $monthvalid, $yearvalid);
+if ($search_date_start) {
+	$sql .= " AND sp.date_livraison >= '".$db->idate($search_date_start)."'";
+}
+if ($search_date_end) {
+	$sql .= " AND sp.date_livraison <= '".$db->idate($search_date_end)."'";
+}
+if ($search_date_valid_start) {
+	$sql .= " AND sp.date_valid >= '".$db->idate($search_date_valid_start)."'";
+}
+if ($search_date_valid_end) {
+	$sql .= " AND sp.date_valid <= '".$db->idate($search_date_valid_end)."'";
+}
 if ($search_sale > 0) {
 	$sql .= " AND s.rowid = sc.fk_soc AND sc.fk_user = ".((int) $search_sale);
 }
@@ -446,11 +477,41 @@ if ($resql) {
 	if ($sall) {
 		$param .= '&sall='.urlencode($sall);
 	}
-	if ($month) {
-		$param .= '&month='.urlencode($month);
+	if ($search_date_startday) {
+		$param .= '&search_date_startday='.urlencode($search_date_startday);
 	}
-	if ($year) {
-		$param .= '&year='.urlencode($year);
+	if ($search_date_startmonth) {
+		$param .= '&search_date_startmonth='.urlencode($search_date_startmonth);
+	}
+	if ($search_date_startyear) {
+		$param .= '&search_date_startyear='.urlencode($search_date_startyear);
+	}
+	if ($search_date_endday) {
+		$param .= '&search_date_endday='.urlencode($search_date_endday);
+	}
+	if ($search_date_endmonth) {
+		$param .= '&search_date_endmonth='.urlencode($search_date_endmonth);
+	}
+	if ($search_date_endyear) {
+		$param .= '&search_date_endyear='.urlencode($search_date_endyear);
+	}
+	if ($search_date_valid_startday) {
+		$param .= '&search_date_valid_startday='.urlencode($search_date_valid_startday);
+	}
+	if ($search_date_valid_startmonth) {
+		$param .= '&search_date_valid_startmonth='.urlencode($search_date_valid_startmonth);
+	}
+	if ($search_date_valid_startyear) {
+		$param .= '&search_date_valid_startyear='.urlencode($search_date_valid_startyear);
+	}
+	if ($search_date_valid_endday) {
+		$param .= '&search_date_valid_endday='.urlencode($search_date_valid_endday);
+	}
+	if ($search_date_valid_endmonth) {
+		$param .= '&search_date_valid_endmonth='.urlencode($search_date_valid_endmonth);
+	}
+	if ($search_date_valid_endyear) {
+		$param .= '&search_date_valid_endyear='.urlencode($search_date_valid_endyear);
 	}
 	if ($search_ref) {
 		$param .= '&search_ref='.urlencode($search_ref);
@@ -641,21 +702,23 @@ if ($resql) {
 	// Date
 	if (!empty($arrayfields['sp.date_valid']['checked'])) {
 		print '<td class="liste_titre center">';
-		//print $langs->trans('Month').': ';
-		print '<input class="flat width25 valignmiddle" type="text" maxlength="2" name="monthvalid" value="'.dol_escape_htmltag($monthvalid).'">';
-		//print '&nbsp;'.$langs->trans('Year').': ';
-		$syearvalid = $yearvalid;
-		$formother->select_year($syearvalid, 'yearvalid', 1, 20, 5);
+		print '<div class="nowrap">';
+		print $form->selectDate($search_date_valid_start ? $search_date_valid_start : -1, 'search_date_valid_start', 0, 0, 1, '', 1, 0, 0, '', '', '', '', 1, '', $langs->trans('From'));
+		print '</div>';
+		print '<div class="nowrap">';
+		print $form->selectDate($search_date_valid_end ? $search_date_valid_end : -1, 'search_date_valid_end', 0, 0, 1, '', 1, 0, 0, '', '', '', '', 1, '', $langs->trans('to'));
+		print '</div>';
 		print '</td>';
 	}
 	// Date
 	if (!empty($arrayfields['sp.date_livraison']['checked'])) {
 		print '<td class="liste_titre center">';
-		//print $langs->trans('Month').': ';
-		print '<input class="flat width25 valignmiddle" type="text" maxlength="2" name="month" value="'.dol_escape_htmltag($month).'">';
-		//print '&nbsp;'.$langs->trans('Year').': ';
-		$syear = $year;
-		$formother->select_year($syear, 'year', 1, 20, 5);
+		print '<div class="nowrap">';
+		print $form->selectDate($search_date_start ? $search_date_start : -1, 'search_date_start', 0, 0, 1, '', 1, 0, 0, '', '', '', '', 1, '', $langs->trans('From'));
+		print '</div>';
+		print '<div class="nowrap">';
+		print $form->selectDate($search_date_end ? $search_date_end : -1, 'search_date_end', 0, 0, 1, '', 1, 0, 0, '', '', '', '', 1, '', $langs->trans('to'));
+		print '</div>';
 		print '</td>';
 	}