diff --git a/htdocs/admin/expensereport.php b/htdocs/admin/expensereport.php
index f7c9a84c5d1..09b7f66473d 100644
--- a/htdocs/admin/expensereport.php
+++ b/htdocs/admin/expensereport.php
@@ -145,7 +145,10 @@ if ($action == 'updateMask') {
 	$draft = GETPOST('EXPENSEREPORT_DRAFT_WATERMARK', 'alpha');
 	$res2 = dolibarr_set_const($db, "EXPENSEREPORT_DRAFT_WATERMARK", trim($draft), 'chaine', 0, '', $conf->entity);
 
-	if (!$res1 > 0 || !$res2 > 0) {
+	$amounts = GETPOST('EXPENSEREPORT_FORCE_LINE_AMOUNTS_INCLUDING_TAXES_ONLY', 'int');
+	$res3 = dolibarr_set_const($db, 'EXPENSEREPORT_FORCE_LINE_AMOUNTS_INCLUDING_TAXES_ONLY', intval($amounts), 'chaine', 0, '', $conf->entity);
+
+	if (!$res1 > 0 || !$res2 > 0 || !$res3 > 0) {
 		$error++;
 	}
 
@@ -458,6 +461,11 @@ print $form->textwithpicto($langs->trans("WatermarkOnDraftExpenseReports"), $htm
 print '<input class="flat minwidth200" type="text" name="EXPENSEREPORT_DRAFT_WATERMARK" value="'.$conf->global->EXPENSEREPORT_DRAFT_WATERMARK.'">';
 print '</td></tr>'."\n";
 
+print '<tr class="oddeven"><td>';
+print $langs->trans('ForceExpenseReportsLineAmountsIncludingTaxesOnly');
+print '</td><td class="right">';
+print $form->selectyesno('EXPENSEREPORT_FORCE_LINE_AMOUNTS_INCLUDING_TAXES_ONLY', empty($conf->global->EXPENSEREPORT_FORCE_LINE_AMOUNTS_INCLUDING_TAXES_ONLY) ? 0 : 1, 1);
+print '</td></tr>';
 print '</table>';
 
 print $form->buttonsSaveCancel("Save", '');
diff --git a/htdocs/expensereport/card.php b/htdocs/expensereport/card.php
index f982b046793..9bc2197055d 100644
--- a/htdocs/expensereport/card.php
+++ b/htdocs/expensereport/card.php
@@ -1565,6 +1565,8 @@ if ($action == 'create') {
 
 			print '</form>';
 		} else {
+			$taxlessUnitPriceDisabled = ! empty($conf->global->EXPENSEREPORT_FORCE_LINE_AMOUNTS_INCLUDING_TAXES_ONLY) ? ' disabled' : '';
+
 			print dol_get_fiche_head($head, 'card', $langs->trans("ExpenseReport"), -1, 'trip');
 
 			// Clone confirmation
@@ -2281,7 +2283,7 @@ if ($action == 'create') {
 
 						// Unit price
 						print '<td class="right">';
-						print '<input type="text" min="0" class="right maxwidth50" id="value_unit_ht" name="value_unit_ht" value="'.dol_escape_htmltag(price2num($line->value_unit_ht)).'" />';
+						print '<input type="text" min="0" class="right maxwidth50" id="value_unit_ht" name="value_unit_ht" value="'.dol_escape_htmltag(price2num($line->value_unit_ht)).'"'.$taxlessUnitPriceDisabled.' />';
 						print '</td>';
 
 						// Unit price with tax
@@ -2460,7 +2462,7 @@ if ($action == 'create') {
 
 					// Unit price net
 					print '<td class="right">';
-					print '<input type="text" class="right maxwidth50" id="value_unit_ht" name="value_unit_ht" value="'.dol_escape_htmltag($value_unit_ht).'">';
+					print '<input type="text" class="right maxwidth50" id="value_unit_ht" name="value_unit_ht" value="'.dol_escape_htmltag($value_unit_ht).'"'.$taxlessUnitPriceDisabled.' />';
 					print '</td>';
 
 					// Unit price with tax
diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index 0e8e39e6600..d33aad11c64 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -517,6 +517,7 @@ Field=Field
 ProductDocumentTemplates=Document templates to generate product document
 FreeLegalTextOnExpenseReports=Free legal text on expense reports
 WatermarkOnDraftExpenseReports=Watermark on draft expense reports
+ForceExpenseReportsLineAmountsIncludingTaxesOnly=Force expense report amounts to be input only including taxes
 AttachMainDocByDefault=Set this to 1 if you want to attach main document to email by default (if applicable)
 FilesAttachedToEmail=Attach file
 SendEmailsReminders=Send agenda reminders by emails