diff --git a/html/ajax_misc.php b/html/ajax_misc.php
index 8a2fe06ff..1f891235d 100644
--- a/html/ajax_misc.php
+++ b/html/ajax_misc.php
@@ -652,6 +652,12 @@ EOF;
                     [$ledger_id]);
             echo $code;
             break;
+    case 'up_other_tax':
+        $cn =Dossier::connect();
+        $ledger_id=$http->request('jrn_id','number');
+        $acc_ledger=new Acc_Ledger($cn,$ledger_id);
+        echo $acc_ledger->input_additional_tax();
+        break;
 	default:
 		var_dump($_REQUEST);
 }
diff --git a/html/compute.php b/html/compute.php
index c75b70871..799ab93d1 100644
--- a/html/compute.php
+++ b/html/compute.php
@@ -48,6 +48,8 @@ foreach (array('t','c','p','q','n','gDossier') as $a)
     }
 
 }
+$http=new HttpInput();
+$tax_ac_id=$http->request("other_tax_id","number",-1);
 // sometime number uses coma instead of dot for dec
 $p=str_replace(",",".",$p);
 $q=str_replace(",",".",$q);
@@ -79,20 +81,29 @@ if ( isNUmber($p) && isNumber($q)) {
     $amount = 0;
 }
 $total->set_parameter('amount',$amount);
+$other_tax_amount=0;
+if ( $tax_ac_id !=-1) {
+    $other_tax=new Acc_Other_Tax_SQL($cn,$tax_ac_id);
+    $other_tax_amount=round(bcmul($amount,$other_tax->getp("ac_rate"),4)/100,2);
+}
 if ( $t != -1 && isNumber($t) == 1 )
 {
     $total->set_parameter('amount_vat_rate',$tva_rate->get_parameter('rate'));
     $total->compute_vat();
     if ($tva_rate->get_parameter('both_side')== 1) $total->set_parameter('amount_vat', 0);
     $tvac=($tva_rate->get_parameter('rate') == 0 || $tva_rate->get_parameter('both_side')== 1) ? $amount : bcadd($total->get_parameter('amount_vat'),$amount);
+
     header("Content-type: text/html; charset: utf8",true);
-    echo '{"ctl":"'.$n.'","htva":"'.$amount.'","tva":"'.$total->get_parameter('amount_vat').'","tvac":"'.$tvac.'"}';
+    $result=["ctl"=>$n,"htva"=>$amount,"tva"=>$total->get_parameter("amount_vat"),"tvac"=>$tvac,
+        "other_tax"=>$other_tax_amount];
+    echo json_encode($result);
 }
 else
 {
     /* there is no vat to compute */
     header("Content-type: text/html; charset: utf8",true);
-    echo '{"ctl":"'.$n.'","htva":"'.$amount.'","tva":"NA","tvac":"'.$amount.'"}';
+    $result=["ctl"=>$n,"htva"=>$amount,"tva"=>"NA","tvac"=>$amount,        "other_tax"=>$other_tax_amount];
+    echo json_encode($result);
 }
 ?>
 
diff --git a/html/js/acc_ledger.js b/html/js/acc_ledger.js
index 748fc4218..1887952a7 100644
--- a/html/js/acc_ledger.js
+++ b/html/js/acc_ledger.js
@@ -88,7 +88,30 @@ function update_pay_method()
             }
     );
 }
-
+/**
+ *  update the list of additional tax
+ */
+function update_other_tax()
+{
+    waiting_box();
+    var jrn = g("p_jrn").value;
+    var dossier = g("gDossier").value;
+    var querystring ={gDossier: dossier,jrn_id:jrn ,op:"up_other_tax"};
+    var action = new Ajax.Request(
+        "ajax_misc.php",
+        {
+            method: 'get',
+            parameters: querystring,
+            onFailure: error_get_predef,
+            onSuccess: function (req) {
+                remove_waiting_box();
+                var answer = req.responseText;
+                answer.evalScripts();
+                $('additional_tax_div').innerHTML = answer;
+            }
+        }
+    );
+}
 /**
  * update ctl id =jrn_name with the value of p_jrn
  */
@@ -480,7 +503,11 @@ function compute_ledger(p_ctl_nb)
 
     g('e_quant' + p_ctl_nb).value = trim(g('e_quant' + p_ctl_nb).value);
     var quantity = g('e_quant' + p_ctl_nb).value;
-    var querystring = 'gDossier=' + dossier + '&c=' + qcode + '&t=' + tva_id + '&p=' + price + '&q=' + quantity + '&n=' + p_ctl_nb;
+    let other_tax=g("other_tax");
+    let other_tax_id=(other_tax && other_tax.checked)?other_tax.value:-1;
+
+    console.debug(`other tax is ${other_tax_id}`);
+    var querystring = { gDossier : dossier , c : qcode ,t :tva_id,p : price , q:quantity,n:p_ctl_nb,'other_tax_id':other_tax_id};
     var action = new Ajax.Request(
             "compute.php",
             {
@@ -500,7 +527,8 @@ function refresh_ledger()
     var htva = 0;
     var tvac = 0;
 
-    for (var i = 0; i < g("nb_item").value; i++)
+    nb_item=g("nb_item").value;
+    for (var i = 0; i < nb_item; i++)
     {
         if (g('tva_march' + i))
             tva += g('tva_march' + i).value * 1;
@@ -509,13 +537,22 @@ function refresh_ledger()
         if (g('tvac_march' + i))
             tvac += g('tvac_march' + i).value * 1;
     }
+    id_tva=g("tva");
+    id_htva=g("htva");
+    id_tvac=g("tvac");
+    id_other_tax=g("other_tax_amount");
+    if (id_tva)
+        id_tva.innerHTML = Math.round(tva * 100) / 100;
+    if (id_htva)
+        id_htva.innerHTML = Math.round(htva * 100) / 100;
+    if ( id_other_tax) {
+        let total_operation=tvac+parseFloat(id_other_tax.value);
+        $('total_operation_other_tax').innerHTML=Math.round(total_operation*100)/100;
+    }
+    if (id_tvac)
+        id_tvac.innerHTML = Math.round(tvac * 100) / 100;
+
 
-    if (g('tva'))
-        g('tva').innerHTML = Math.round(tva * 100) / 100;
-    if (g('htva'))
-        g('htva').innerHTML = Math.round(htva * 100) / 100;
-    if (g('tvac'))
-        g('tvac').innerHTML = Math.round(tvac * 100) / 100;
 }
 /**
  * update the field htva, tva_id and tvac, callback function for  compute_sold
@@ -529,7 +566,10 @@ function success_compute_ledger(request, json)
     var rtva = answer.tva;
     var rhtva = answer.htva;
     var rtvac = answer.tvac;
-
+    let other_tax=g("other_tax_amount")
+    if ( other_tax) {
+        other_tax.value=answer.other_tax;
+    }
     if (rtva == 'NA')
     {
         var rhtva = answer.htva * 1;
@@ -574,7 +614,8 @@ function error_compute_ledger(request, json)
 function compute_all_ledger()
 {
     var loop = 0;
-    for (loop = 0; loop < g("nb_item").value; loop++)
+    let nb_item=g("nb_item").value;
+    for (loop = 0; loop < nb_item; loop++)
     {
         compute_ledger(loop);
     }
@@ -582,7 +623,7 @@ function compute_all_ledger()
     var htva = 0;
     var tvac = 0;
 
-    for (var i = 0; i < g("nb_item").value; i++)
+    for (var i = 0; i < nb_item; i++)
     {
         if (g('tva_march'))
             tva += g('tva_march' + i).value * 1;
@@ -591,11 +632,12 @@ function compute_all_ledger()
         if (g('tvac_march' + i))
             tvac += g('tvac_march' + i).value * 1;
     }
-
+    id_other_tax=g("other_tax_amount");
     if (g('tva'))
         g('tva').innerHTML = Math.round(tva * 100) / 100;
     if (g('htva'))
         g('htva').innerHTML = Math.round(htva * 100) / 100;
+    if (id_other_tax) { tvac+=id_other_tax.value;}
     if (g('tvac'))
         g('tvac').innerHTML = Math.round(tvac * 100) / 100;
 
diff --git a/include/class/acc_ledger.class.php b/include/class/acc_ledger.class.php
index eda6c451b..01e82fc6a 100644
--- a/include/class/acc_ledger.class.php
+++ b/include/class/acc_ledger.class.php
@@ -3363,19 +3363,28 @@ class Acc_Ledger  extends jrn_def_sql
 
         if ($this->has_other_tax() == false ) { return "";}
         $amount=new INum("other_tax_amount",0);
+
+        $amount->javascript='onchange="format_number(this,2);refresh_ledger();"';
         $msg=_("Montant");
         $row=$this->cn->get_row("select ac_id,ac_label,ac_rate from acc_other_tax where $1 = any (ajrn_def_id)",
             [$this->id]);
         $checkbox=new ICheckBox("other_tax",$row['ac_id']);
+        $checkbox->javascript=<<<EOF
+onchange='if (! this.checked) {  $("other_tax_amount").value=0;}compute_all_ledger();'
+EOF;
+
         $label=h($row['ac_label']);
         $title=_("Autre taxe");
         $out=<<<EOF
-<div id="additional_tax">
+
     <h2 class="h3">{$title}</h2>
     {$checkbox->input()} {$label} {$row['ac_rate']}%: {$msg} {$amount->input()}
-</div>
-
 EOF;
+
+        $out.="<h4>"._("Total opération").
+            "<span class=\"mx-4\" id='total_operation_other_tax'>".
+            "</span>".
+            "</h4>";
         return $out;
     }
 
diff --git a/include/class/acc_ledger_purchase.class.php b/include/class/acc_ledger_purchase.class.php
index c21205f9a..20ff4c7fd 100644
--- a/include/class/acc_ledger_purchase.class.php
+++ b/include/class/acc_ledger_purchase.class.php
@@ -1217,6 +1217,7 @@ class  Acc_Ledger_Purchase extends Acc_Ledger
         $add_js.='update_name();';
         $add_js.='update_pay_method();';
         $add_js.='update_row("sold_item");';
+        $add_js.='update_other_tax()';
 
         $wLedger=$this->select_ledger('ACH',2,FALSE);
         
@@ -1499,7 +1500,9 @@ class  Acc_Ledger_Purchase extends Acc_Ledger
         }
 		// set focus on date
 		$r.= create_script("$('".$Date->id."').focus()");
+        $r.='<div id="additional_tax_div">';
         $r.=$this->input_additional_tax();
+        $r.='</div>';
         return $r;
     }
 
diff --git a/include/class/acc_ledger_sale.class.php b/include/class/acc_ledger_sale.class.php
index 067999802..608be7a10 100644
--- a/include/class/acc_ledger_sale.class.php
+++ b/include/class/acc_ledger_sale.class.php
@@ -1329,6 +1329,7 @@ EOF;
         $add_js.='update_name();';
         $add_js.='update_pay_method();';
         $add_js.='update_row("sold_item");';
+        $add_js.='update_other_tax()';
 
         $wLedger = $this->select_ledger('VEN', 2,FALSE);
         if ($wLedger == null)
@@ -1581,7 +1582,9 @@ EOF;
         $r.=HtmlInput::hidden('jrn_type', 'VEN');
         $r.= Html_Input_Noalyss::ledger_add_item("O");
         $r.= create_script("$('" . $Date->id . "').focus()");
+        $r.='<div id="additional_tax_div">';
         $r.=$this->input_additional_tax();
+        $r.='</div>';
         return $r;
     }
     /**
diff --git a/scenario/test_postgres_json_array.php b/scenario/test_postgres_json_array.php
index e69de29bb..4847b09c7 100644
--- a/scenario/test_postgres_json_array.php
+++ b/scenario/test_postgres_json_array.php
@@ -0,0 +1,31 @@
+<?php
+//@description: test pour PostgreSQL JSON & ARRAY
+$cnx=$cn->get_db();
+
+$ret = pg_query($cnx,"select * from jrn_def ");
+
+$result=pg_fetch_all($ret);
+
+echo  "retrieve ",count($result);
+
+$ret=pg_query($cnx,"drop table if exists public.test_array_int");
+
+$ret = pg_query ($cnx,
+"CREATE TABLE public.test_array_int(
+    ac_id serial4 NOT NULL PRIMARY KEY ,
+	ac_label text NOT NULL,
+	ac_rate numeric(5, 2) NOT NULL,
+	ajrn_def_id _int4 NULL);	"
+);
+if ( ! $ret ){
+    die ("cannot create public.test_array_int");
+}
+$ret=pg_query($cnx,
+    "insert into public.test_array_int(ac_label,ac_rate,ajrn_def_id) values ('ligne 1',1.2,'{1,2}')");
+
+$ret=pg_query_params($cnx,
+    "insert into public.test_array_int(ac_label,ac_rate,ajrn_def_id) values ($1,$2,$3)",
+array('ligne 1',1.2,'{1,2}'));
+
+
+$ret=pg_query($cnx,"drop table if exists public.test_array_int");
\ No newline at end of file