diff --git a/htdocs/compta/bank/transfer.php b/htdocs/compta/bank/transfer.php
index 62e85558ed1..2e7425dca98 100644
--- a/htdocs/compta/bank/transfer.php
+++ b/htdocs/compta/bank/transfer.php
@@ -76,7 +76,7 @@ if ($action == 'add') {
 		$errori[$i] = 0;
 
 		$tabnum[$i] = 0;
-		if (!empty($label[$i]) || !empty($type[$i]) || !($amount[$i] <= 0) || !($accountfrom[$i] < 0) || !($accountto[$i]  < 0)) {
+		if (!empty($label[$i]) || !($amount[$i] <= 0) || !($accountfrom[$i] < 0) || !($accountto[$i]  < 0)) {
 			$tabnum[$i] = 1;
 		}
 		$i++;
@@ -124,7 +124,7 @@ if ($action == 'add') {
 					$amountto[$n] = $amount[$n];
 				} else {
 					if (!$amountto[$n]) {
-						$error[$n]++;
+						$errori[$n]++;
 						setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentities("AmountTo")).' #'.$n, null, 'errors');
 					}
 				}
@@ -172,7 +172,7 @@ if ($action == 'add') {
 					$result = $tmpaccountfrom->add_url_line($bank_line_id_from, $bank_line_id_to, DOL_URL_ROOT.'/compta/bank/line.php?rowid=', '(banktransfert)', 'banktransfert');
 				}
 				if (!($result > 0)) {
-					$errori++;
+					$errori[$n]++;
 				}
 				if (!$errori[$n]) {
 					$result = $tmpaccountto->add_url_line($bank_line_id_to, $bank_line_id_from, DOL_URL_ROOT.'/compta/bank/line.php?rowid=', '(banktransfert)', 'banktransfert');
@@ -211,68 +211,38 @@ llxHeader('', $title, $help_url);
 print '		<script type="text/javascript">
         	$(document).ready(function () {
     	  		$(".selectbankaccount").change(function() {
-						console.log("We change bank account");
-						init_page();
+						console.log("We change bank account. We check if currency differs. If yes, we show multicurrency field");
+						i = $(this).attr("name").replace("_account_to", "").replace("_account_from", "");
+						console.log(i);
+						init_page(i);
 				});
 
-				function init_page() {
-					console.log("Set fields according to currency");
-        			var account1 = $("#selectaccount_from").val();
-        			var account2 = $("#selectaccount_to").val();
-        			var currencycode1="";
-        			var currencycode2="";
+				function init_page(i) {
+					// TODO Scan all line i and set atleast2differentcurrency if there is 2 different values among all lines
+        			var account1 = $("#select"+i+"_account_from").val();
+        			var account2 = $("#select"+i+"_account_to").val();
+					var currencycode1 = $("#select"+i+"_account_from option:selected").attr("data-currency-code");
+					var currencycode2 = $("#select"+i+"_account_to option:selected").attr("data-currency-code");
+					console.log("Set fields according to currencycode found currencycode1="+currencycode1+" currencycode2="+currencycode2);
+
+					var atleast2differentcurrency = (currencycode2!==currencycode1 && currencycode1 !== undefined && currencycode2 !== undefined && currencycode2!=="" && currencycode1!=="");
+
+					if (atleast2differentcurrency) {
+						console.log("We show multucurrency field");
+        				$(".multicurrency").show();
+        			} else {
+						console.log("We hide multucurrency field");
+						$(".multicurrency").hide();
+					}
 
 					$("select").each(function() {
 						if( $(this).attr("view")){
-						$(this).closest("tr").removeClass("hidejs").removeClass("hideobject");
+							$(this).closest("tr").removeClass("hidejs").removeClass("hideobject");
 						}
 					});
-
-
-					$.get("'.DOL_URL_ROOT.'/core/ajax/getaccountcurrency.php", {id: account1})
-						.done(function( data ) {
-							if (data != null)
-							{
-								var item= $.parseJSON(data);
-								if (item.num==-1) {
-									console.error("Error: "+item.error);
-								} else if (item.num!==0) {
-									currencycode1 = item.value;
-								}
-
-								$.get("'.DOL_URL_ROOT.'/core/ajax/getaccountcurrency.php", {id: account2})
-									.done(function( data ) {
-										if (data != null)
-										{
-											var item=$.parseJSON(data);
-											if (item.num==-1) {
-												console.error("Error: "+item.error);
-											} else if (item.num!==0) {
-												currencycode2 = item.value;
-											}
-
-											if (currencycode2!==currencycode1 && currencycode2!=="" && currencycode1!=="") {
-						        				$(".multicurrency").show();
-						        			} else {
-												$(".multicurrency").hide();
-											}
-										}
-									else {
-										console.error("Error: Ajax url has returned an empty page. Should be an empty json array.");
-									}
-			        			}).fail(function( data ) {
-									console.error("Error: has returned an empty page. Should be an empty json array.");
-								});
-							}
-							else {
-								console.error("Error: has returned an empty page. Should be an empty json array.");
-							}
-    	        	}).fail(function( data ) {
-						console.error("Error: has returned an empty page. Should be an empty json array.");
-					});
         		}
 
-				init_page();
+				init_page(1);
         	});
     		</script>';
 
@@ -298,16 +268,18 @@ print '<th>'.$langs->trans("Type").'</th>';
 print '<th>'.$langs->trans("Date").'</th>';
 print '<th>'.$langs->trans("Description").'</th>';
 print '<th class="right">'.$langs->trans("Amount").'</th>';
-//print '<td class="hideobject" class="multicurrency">'.$langs->trans("AmountToOthercurrency").'</td>';
+print '<td class="hideobject multicurrency right">'.$langs->trans("AmountToOthercurrency").'</td>';
 print '</tr>';
 
 for ($i = 1 ; $i < $MAXLINES; $i++) {
 	$label = '';
 	$amount = '';
+	$amounto = '';
 
 	if ($errori[$i]) {
 		$label = GETPOST($i.'_label', 'alpha');
 		$amount = GETPOST($i.'_amount', 'alpha');
+		$amountto = GETPOST($i.'_amountto', 'alpha');
 	}
 
 	if ($i == 1) {
@@ -339,11 +311,14 @@ for ($i = 1 ; $i < $MAXLINES; $i++) {
 	print $form->selectDate((!empty($dateo[$i]) ? $dateo[$i] : ''), $i.'_', '', '', '', 'add');
 	print "</td>\n";
 
+	// Description
 	print '<td><input name="'.$i.'_label" class="flat quatrevingtpercent selectjs" type="text" value="'.dol_escape_htmltag($label).'"></td>';
 
+	// Amount
 	print '<td class="right"><input name="'.$i.'_amount" class="flat right selectjs" type="text" size="6" value="'.dol_escape_htmltag($amount).'"></td>';
 
-	print '<td class="hideobject" class="multicurrency"><input name="'.$i.'_amountto" class="flat" type="text" size="6" value="'.dol_escape_htmltag($amountto).'"></td>';
+	// AmountToOthercurrency
+	print '<td class="hideobject multicurrency right"><input name="'.$i.'_amountto" class="flat" type="text" size="6" value="'.dol_escape_htmltag($amountto).'"></td>';
 
 	print '</tr>';
 }
@@ -352,7 +327,7 @@ print '</table>';
 print '</div>';
 print '</div>';
 print '<div id="btncont" style="display: flex; align-items: center">';
-print '<a id="btnincrement" style="margin-left:35%" class="btnTitle btnTitlePlus" onclick="increment()" title="Ajouter écriture">
+print '<a id="btnincrement" style="margin-left:35%" class="btnTitle btnTitlePlus" onclick="increment()" title="'.dol_escape_htmltag($langs->trans("Add")).'">
 		<span class="fa fa-plus-circle valignmiddle btnTitle-icon">
 		</span>
 	   </a>';
diff --git a/htdocs/core/ajax/getaccountcurrency.php b/htdocs/core/ajax/getaccountcurrency.php
deleted file mode 100644
index 20061dcdf2b..00000000000
--- a/htdocs/core/ajax/getaccountcurrency.php
+++ /dev/null
@@ -1,66 +0,0 @@
-<?php
-/* Copyright (C) 2012 Regis Houssin  <regis.houssin@inodbox.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- */
-
-/**
- *       \file       htdocs/core/ajax/getaccountcurrency.php
- *       \brief      File to load currency rates
- */
-
-if (!defined('NOTOKENRENEWAL')) {
-	define('NOTOKENRENEWAL', '1'); // Disables token renewal
-}
-if (!defined('NOREQUIREMENU')) {
-	define('NOREQUIREMENU', '1');
-}
-if (!defined('NOREQUIREAJAX')) {
-	define('NOREQUIREAJAX', '1');
-}
-
-// Load Dolibarr environment
-require '../../main.inc.php';
-
-$id = GETPOST('id', 'int');
-
-// Security check
-$result = restrictedArea($user, 'banque', $id, 'bank_account&bank_account');
-
-
-/*
- * View
- */
-
-top_httphead();
-
-//print '<!-- Ajax page called with url '.dol_escape_htmltag($_SERVER["PHP_SELF"]).'?'.dol_escape_htmltag($_SERVER["QUERY_STRING"]).' -->'."\n";
-
-// Load original field value
-if (!empty($id)) {
-	require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
-	$account = new Account($db);
-	$result = $account->fetch($id);
-	if ($result < 0) {
-		$return['value']	= '';
-		$return['num'] = $result;
-		$return['error']	= $account->errors[0];
-	} else {
-		$return['value']	= $account->currency_code;
-		$return['num'] = $result;
-		$return['error']	= '';
-	}
-
-	echo json_encode($return);
-}