diff --git a/html/ajax.php b/html/ajax.php
index 2d32d7521..a58f7a40b 100644
--- a/html/ajax.php
+++ b/html/ajax.php
@@ -37,6 +37,8 @@ $g_parameter=new Noalyss_Parameter_Folder($cn);
 $g_user=new Noalyss_user($cn);
 $g_user->check(true);
 IDate::set_firstDate($g_user->get_first_week_day());
+ITva_Popup::set_vat_code($g_user->get_vat_code_preference());
+
 set_language();
 /* if a code has been asked */
 if (isset($_REQUEST['plugin_code']) )
diff --git a/html/ajax_misc.php b/html/ajax_misc.php
index 7f40a9c42..ce27ce175 100644
--- a/html/ajax_misc.php
+++ b/html/ajax_misc.php
@@ -98,6 +98,7 @@ else
 }
 
 IDate::set_firstDate($g_user->get_first_week_day());
+ITva_Popup::set_vat_code($g_user->get_vat_code_preference());
 
 // For progress bar, for saving time , we check and answer directly
 if ($op == "progressBar") {
diff --git a/html/do.php b/html/do.php
index 88ad76d4d..cfbedb552 100644
--- a/html/do.php
+++ b/html/do.php
@@ -58,7 +58,9 @@ $cn = Dossier::connect();
 global $g_user, $cn,$g_parameter,$http;
 $g_user = new Noalyss_user($cn);
 $http=new HttpInput();
+
 IDate::set_firstDate($g_user->get_first_week_day());
+ITva_Popup::set_vat_code($g_user->get_vat_code_preference());
 
 // check that the current user is saved into PostgreSQL setting in order to use it in PLPGSQL
 \Noalyss\Dbg::echo_var(1,sprintf("current user is [%s]",$cn->get_value("select current_setting('noalyss.user_login')")));
diff --git a/include/ajax/ajax_preference.php b/include/ajax/ajax_preference.php
index e170e949e..f0374f5ec 100644
--- a/include/ajax/ajax_preference.php
+++ b/include/ajax/ajax_preference.php
@@ -192,6 +192,22 @@ if ( $action == 'display_form' )
 
                 </td>
             </tr>
+            <tr>
+                <td>
+                    <?=_('Utilisation id TVA ou code')?>
+                </td>
+                <td>
+                    <?php
+                    $selVATCode=new ISelect('selVATCode');
+                    $selVATCode->value=array(
+                        ['label'=>'numérique','value'=>0],
+                        ['label'=>'Code','value'=>1]
+                    );
+                    $selVATCode->selected=$g_user->get_vat_code_preference();
+                    echo $selVATCode->input();
+                    ?>
+                </td>
+            </tr>
 	    </table>
 	</fieldset>
         <fieldset>
@@ -305,6 +321,7 @@ if ($action == 'save')
     $csv_decimal=$http->post("csv_decimal","number");
     $csv_encoding=$http->post("csv_encoding");
     $firstday=$http->post("selFirstDay","number");
+    $vatCode=$http->post("selVATCode","number");
     $password="OK";
     $msg ="";
     if (noalyss_strlentrim($pass_1) != 0 && noalyss_strlentrim($pass_2) != 0)
@@ -344,6 +361,7 @@ if ($action == 'save')
     $g_user->save_global_preference('csv_decimal', $csv_decimal);
     $g_user->save_global_preference('csv_encoding', $csv_encoding);
     $g_user->save_global_preference('first_week_day', $firstday);
+    $g_user->save_global_preference('vat_code', $vatCode);
     $g_user->save_email($p_email);
 
     $_SESSION[SESSION_KEY.'g_theme']=$style_user;
diff --git a/include/class/noalyss_user.class.php b/include/class/noalyss_user.class.php
index d05ae8d53..09a46557d 100644
--- a/include/class/noalyss_user.class.php
+++ b/include/class/noalyss_user.class.php
@@ -1819,7 +1819,8 @@ class Noalyss_User
     }
 
     /**
-     *
+     *@brief first day in calendar
+     * @see IDate::set_firstDate(
      */
     function get_first_week_day()
     {
@@ -1849,6 +1850,24 @@ class Noalyss_User
             }
         }
     }
+    /**
+     *@brief Get preference , either the user see the numeric id for VAT or its code, if the preference doesn't exist
+     * by default , 0 is saved in ACCOUNT_REPOSITORY
+     * @see ITva_Popup::set_vat_code()
+     * @see ITva_Popup
+     */
+    function get_vat_code_preference():int
+    {
+        $repocn=new Database();
+        $result=$repocn->get_value("select parameter_value from user_global_pref where parameter_type=$1 and user_id=$2 ",
+            array("vat_code", $this->login));
+        if ($repocn->count()==0)
+        {
+            $this->save_global_preference("vat_code", 0);
+            return 0;
+        }
+        return $result;
+    }
 }
 
 ?>
diff --git a/include/lib/itva_popup.class.php b/include/lib/itva_popup.class.php
index 13bb6b3bc..8b373afa6 100644
--- a/include/lib/itva_popup.class.php
+++ b/include/lib/itva_popup.class.php
@@ -53,6 +53,7 @@ class ITva_Popup extends HtmlInput
      * by default it is 'popup_select_tva(this)';
      */
     private $filter; //!< filter the VAT by ledger PURCHASE or SALE or NO FILTER, default=NO
+    static $vat_code=0; //<! 0 show the numeric ID or 1 for CODE
 
     public function __construct($p_name = null, $p_value = "", $p_id = "")
     {
@@ -129,9 +130,10 @@ class ITva_Popup extends HtmlInput
         // code is a span containing the label of the VAT (see add_label)
         if (isset($this->code)) {
             if ($this->cn != NULL) {
+                $cnx=Dossier::connect();
                 /* check if tva_id == integer */
                 if (trim($this->value) != '' && isNumber($this->value) == 1 && strpos($this->value, ',') === false)
-                    $this->code->value = $this->cn->get_value('select tva_label from tva_rate where tva_id=$1',
+                    $this->code->value = $cnx->get_value('select tva_label from tva_rate where tva_id=$1',
                         array($this->value));;
             }
             $this->set_attribute('jcode', $this->code->name);
@@ -139,7 +141,13 @@ class ITva_Popup extends HtmlInput
 
         }
         $strAttribut = $this->get_node_attribute();
-
+        // show tva code
+        if ( self::$vat_code == 1) {
+            if ( isNumber($this->value ) == 1) {
+                $cnx=Dossier::connect();
+                $this->value=$cnx->get_value('select tva_code from tva_rate where tva_id=$1',[$this->value]);
+            }
+        }
 
         $str = '<input type="TEXT"  class="input_text" name="%s" value="%s" id="%s" placeholder="%s" size="6" %s %s 
 list="dl_tva_%s" autocomplete="off">';
@@ -226,6 +234,19 @@ list="dl_tva_%s" autocomplete="off">';
         $this->code = new ISpan($p_code);
     }
 
+    /**
+     * @brief show the Numeric ID or the code
+     * @param int $vat_code 0 for numeric , 1 for Code
+     * @return void
+     * @throws Exception if $vat_code is
+     */
+    static function set_vat_code(int $vat_code)
+    {
+        if (isNumber($vat_code)==0){
+            throw new Exception("VAT_CODE [{$vat_code}]: invalide data",EXC_INVALID);
+        }
+        self::$vat_code= $vat_code;
+    }
     static public function test_me()
     {
 
@@ -240,4 +261,5 @@ list="dl_tva_%s" autocomplete="off">';
         echo $tva->dbutton();
 
     }
+
 }