diff --git a/htdocs/admin/taxes.php b/htdocs/admin/taxes.php
index ccdbedc1f89..d903bc2d32f 100644
--- a/htdocs/admin/taxes.php
+++ b/htdocs/admin/taxes.php
@@ -1,9 +1,9 @@
 <?php
-/* Copyright (C) 2004      Rodolphe Quiedeville <rodolphe@quiedeville.org>
- * Copyright (C) 2004-2008 Laurent Destailleur  <eldy@users.sourceforge.net>
- * Copyright (C) 2005-2009 Regis Houssin        <regis.houssin@inodbox.com>
- * Copyright (C) 2011-2013 Juanjo Menent        <jmenent@2byte.es>
- * Copyright (C) 2015-2018 Alexandre Spangaro   <aspangaro@open-dsi.fr>
+/* Copyright (C) 2004       Rodolphe Quiedeville    <rodolphe@quiedeville.org>
+ * Copyright (C) 2004-2008  Laurent Destailleur     <eldy@users.sourceforge.net>
+ * Copyright (C) 2005-2009  Regis Houssin           <regis.houssin@inodbox.com>
+ * Copyright (C) 2011-2013  Juanjo Menent           <jmenent@2byte.es>
+ * Copyright (C) 2015-2022  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
@@ -22,7 +22,7 @@
 /**
  *     \file       htdocs/admin/taxes.php
  *     \ingroup    tax
- *     \brief      Page de configuration du module tax
+ *     \brief      Page to setup module tax
  */
 
 // Load Dolibarr environment
@@ -116,6 +116,8 @@ if ($action == 'update') {
 
 	dolibarr_set_const($db, "MAIN_INFO_VAT_RETURN", GETPOST("MAIN_INFO_VAT_RETURN", 'alpha'), 'chaine', 0, '', $conf->entity);
 
+	dolibarr_set_const($db, "MAIN_INFO_TVA_DAY_DEADLINE_SUBMISSION", GETPOST("deadline_day_vat", 'int'), 'chaine', 0, '', $conf->entity);
+
 	if (!$error) {
 		$db->commit();
 		setEventMessages($langs->trans("SetupSaved"), null, 'mesgs');
@@ -179,6 +181,10 @@ if (empty($mysoc->tva_assuj)) {
 	}
 	print '</tr>';
 
+	print '<tr class="oddeven"><td><label for="deadline_day_vat">'.$langs->trans("DeadlineDayVATSubmission").'</label></td><td>';
+	print '<input placeholder="'.$langs->trans("Example").':21" name="deadline_day_vat" id="deadline_day_vat" class="minwidth200" value="'.(!empty($conf->global->MAIN_INFO_TVA_DAY_DEADLINE_SUBMISSION) ? $conf->global->MAIN_INFO_TVA_DAY_DEADLINE_SUBMISSION : '').'">';
+	print '</td></tr>';
+
 	print '</table>';
 
 	print '<br>';
diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index dae72d3d703..45345695d54 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -2338,3 +2338,4 @@ DesktopsOnly=Desktops only
 DesktopsAndSmartphones=Desktops et smartphones
 AllowOnlineSign=Allow online signing
 AllowExternalDownload=Allow external download (without login, using a shared link)
+DeadlineDayVATSubmission=Deadline day for vat submission on the next month