diff --git a/htdocs/accountancy/class/accountancyexport.class.php b/htdocs/accountancy/class/accountancyexport.class.php
index 0204602438f..9d59b20f680 100644
--- a/htdocs/accountancy/class/accountancyexport.class.php
+++ b/htdocs/accountancy/class/accountancyexport.class.php
@@ -57,6 +57,8 @@ class AccountancyExport
 	public static $EXPORT_TYPE_OPENCONCERTO = 100;
     public static $EXPORT_TYPE_LDCOMPTA = 110;
 	public static $EXPORT_TYPE_LDCOMPTA10 = 120;
+    public static $EXPORT_TYPE_GESTINUMV3 = 130;
+    public static $EXPORT_TYPE_GESTINUMV5 = 135;
 	public static $EXPORT_TYPE_FEC = 1000;
 
 
@@ -113,10 +115,12 @@ class AccountancyExport
 			self::$EXPORT_TYPE_AGIRIS => $langs->trans('Modelcsv_agiris'),
             self::$EXPORT_TYPE_OPENCONCERTO => $langs->trans('Modelcsv_openconcerto'),
 			self::$EXPORT_TYPE_SAGE50_SWISS => $langs->trans('Modelcsv_Sage50_Swiss'),
+            self::$EXPORT_TYPE_CHARLEMAGNE => $langs->trans('Modelcsv_charlemagne'),
 			self::$EXPORT_TYPE_LDCOMPTA => $langs->trans('Modelcsv_LDCompta'),
 			self::$EXPORT_TYPE_LDCOMPTA10 => $langs->trans('Modelcsv_LDCompta10'),
+            self::$EXPORT_TYPE_GESTINUMV3 => $langs->trans('Modelcsv_Gestinum_v3'),
+            self::$EXPORT_TYPE_GESTINUMV5 => $langs->trans('Modelcsv_Gestinum_v5'),
 			self::$EXPORT_TYPE_FEC => $langs->trans('Modelcsv_FEC'),
-			self::$EXPORT_TYPE_CHARLEMAGNE => $langs->trans('Modelcsv_charlemagne'),
 		);
 
 		ksort($listofexporttypes, SORT_NUMERIC);
@@ -147,6 +151,8 @@ class AccountancyExport
             self::$EXPORT_TYPE_SAGE50_SWISS => 'sage50ch',
             self::$EXPORT_TYPE_LDCOMPTA => 'ldcompta',
             self::$EXPORT_TYPE_LDCOMPTA10 => 'ldcompta10',
+            self::$EXPORT_TYPE_GESTINUMV3 => 'gestinumv3',
+            self::$EXPORT_TYPE_GESTINUMV5 => 'gestinumv5',
 			self::$EXPORT_TYPE_FEC => 'fec',
 		);
 
@@ -215,7 +221,12 @@ class AccountancyExport
                 ),
 				self::$EXPORT_TYPE_LDCOMPTA10 => array(
                     'label' => $langs->trans('Modelcsv_LDCompta10'),
-                    'ACCOUNTING_EXPORT_FORMAT' => 'csv',
+                ),
+                self::$EXPORT_TYPE_GESTINUMV3 => array(
+                    'label' => $langs->trans('Modelcsv_Gestinumv3'),
+                ),
+                self::$EXPORT_TYPE_GESTINUMV5 => array(
+                    'label' => $langs->trans('Modelcsv_Gestinumv5'),
                 ),
 				self::$EXPORT_TYPE_FEC => array(
 					'label' => $langs->trans('Modelcsv_FEC'),
@@ -301,6 +312,12 @@ class AccountancyExport
             case self::$EXPORT_TYPE_LDCOMPTA10 :
                 $this->exportLDCompta10($TData);
                 break;
+            case self::$EXPORT_TYPE_GESTINUMV3 :
+                $this->exportGestimumV3($TData);
+                break;
+            case self::$EXPORT_TYPE_GESTINUMV5 :
+                $this->exportGestimumV5($TData);
+                break;
             case self::$EXPORT_TYPE_FEC :
                 $this->exportFEC($TData);
                 break;
@@ -1468,6 +1485,137 @@ class AccountancyExport
 		}
 	}
 
+    /**
+     * Export format : Gestimum V3
+     *
+     * @param array $objectLines data
+     *
+     * @return void
+     */
+    public function exportGestimumV3($objectLines) {
+        global $langs;
+
+        $this->separator = ',';
+
+        $invoices_infos = array();
+        $supplier_invoices_infos = array();
+        foreach ( $objectLines as $line ) {
+
+            $date = dol_print_date($line->doc_date, '%d/%m/%Y');
+
+            $invoice_ref = $line->doc_ref;
+            $company_name = "";
+
+            if (($line->doc_type == 'customer_invoice' || $line->doc_type == 'supplier_invoice') && $line->fk_doc > 0) {
+                if (($line->doc_type == 'customer_invoice' && !isset($invoices_infos[$line->fk_doc])) ||
+                    ($line->doc_type == 'supplier_invoice' && !isset($supplier_invoices_infos[$line->fk_doc]))) {
+                    if ($line->doc_type == 'customer_invoice') {
+                        // Get new customer invoice ref and company name
+                        $sql = "SELECT f.facnumber, s.nom FROM " . MAIN_DB_PREFIX . "facture as f".
+                            " LEFT JOIN " . MAIN_DB_PREFIX . "societe AS s ON f.fk_soc = s.rowid" .
+                            " WHERE f.rowid = " . $line->fk_doc;
+                        $resql = $this->db->query($sql);
+                        if ($resql) {
+                            if ($obj = $this->db->fetch_object($resql)) {
+                                // Save invoice infos
+                                $invoices_infos[$line->fk_doc] = array('ref' => $obj->facnumber, 'company_name' => $obj->nom);
+                                $invoice_ref = $obj->facnumber;
+                                $company_name = $obj->nom;
+                            }
+                        }
+                    } else {
+                        // Get new supplier invoice ref and company name
+                        $sql = "SELECT ff.ref, s.nom FROM " . MAIN_DB_PREFIX . "facture_fourn as ff".
+                            " LEFT JOIN " . MAIN_DB_PREFIX . "societe AS s ON ff.fk_soc = s.rowid" .
+                            " WHERE ff.rowid = " . $line->fk_doc;
+                        $resql = $this->db->query($sql);
+                        if ($resql) {
+                            if ($obj = $this->db->fetch_object($resql)) {
+                                // Save invoice infos
+                                $supplier_invoices_infos[$line->fk_doc] = array('ref' => $obj->ref, 'company_name' => $obj->nom);
+                                $invoice_ref = $obj->ref;
+                                $company_name = $obj->nom;
+                            }
+                        }
+                    }
+                } elseif ($line->doc_type == 'customer_invoice') {
+                    // Retrieve invoice infos
+                    $invoice_ref = $invoices_infos[$line->fk_doc]['ref'];
+                    $company_name = $invoices_infos[$line->fk_doc]['company_name'];
+                } else {
+                    // Retrieve invoice infos
+                    $invoice_ref = $supplier_invoices_infos[$line->fk_doc]['ref'];
+                    $company_name = $supplier_invoices_infos[$line->fk_doc]['company_name'];
+                }
+            }
+
+            print $line->id . $this->separator;
+            print $date . $this->separator;
+            print substr($line->code_journal, 0, 4) . $this->separator;
+
+            if ((substr($line->numero_compte, 0, 3) == '411') || (substr($line->numero_compte, 0, 3) == '401')) {
+                print length_accountg($line->subledger_account) . $this->separator;
+
+            } else {
+                print substr(length_accountg($line->numero_compte), 0, 15) . $this->separator;
+            }
+            //Libellé Auto
+            print $this->separator;
+            //print '"'.dol_trunc(str_replace('"', '', $line->label_operation),40,'right','UTF-8',1).'"' . $this->separator;
+            //Libellé manuel
+            print dol_trunc(str_replace('"', '', $invoice_ref . (!empty($company_name) ? ' - ' : '') . $company_name), 40, 'right', 'UTF-8', 1) . $this->separator;
+            //Numéro de pièce
+            print dol_trunc(str_replace('"', '', $line->piece_num), 10, 'right', 'UTF-8', 1) . $this->separator;
+            //Devise
+            print 'EUR' . $this->separator;
+            //Montant
+            print price2num(abs($line->montant)) . $this->separator;
+            //Sens
+            print $line->sens . $this->separator;
+            //Code lettrage
+            print $this->separator;
+            //Date Echéance
+            print $date;
+            print $this->end_line;
+        }
+    }
+
+    /**
+     * Export format : Gestimum V5
+     *
+     * @param array $objectLines data
+     *
+     * @return void
+     */
+    public function exportGestimumV5($objectLines) {
+
+        $this->separator = ',';
+
+        foreach ( $objectLines as $line ) {
+
+            $date = dol_print_date($line->doc_date, '%d%m%Y');
+
+            print $line->id . $this->separator;
+            print $date . $this->separator;
+            print substr($line->code_journal,0, 4) . $this->separator;
+            if ((substr($line->numero_compte, 0, 3) == '411') || (substr($line->numero_compte, 0, 3) == '401'))  {
+                print length_accountg($line->subledger_account) . $this->separator;
+            } else {
+                print substr(length_accountg($line->numero_compte),0,15) . $this->separator;
+            }
+            print $this->separator;
+            //print '"'.dol_trunc(str_replace('"', '', $line->label_operation),40,'right','UTF-8',1).'"' . $this->separator;
+            print '"'.dol_trunc(str_replace('"', '', $line->doc_ref),40,'right','UTF-8',1).'"' . $this->separator;
+            print '"'.dol_trunc(str_replace('"', '', $line->piece_num),10,'right','UTF-8',1).'"'.$this->separator;
+            print price2num($line->montant).$this->separator;
+            print $line->sens.$this->separator;
+            print $date . $this->separator;
+            print $this->separator;
+            print $this->separator;
+            print 'EUR';
+            print $this->end_line;
+        }
+    }
 
 	/**
 	 * trunc
diff --git a/htdocs/langs/en_US/accountancy.lang b/htdocs/langs/en_US/accountancy.lang
index 24255577b11..82119366b2b 100644
--- a/htdocs/langs/en_US/accountancy.lang
+++ b/htdocs/langs/en_US/accountancy.lang
@@ -338,6 +338,8 @@ Modelcsv_configurable=Export CSV Configurable
 Modelcsv_FEC=Export FEC
 Modelcsv_Sage50_Swiss=Export for Sage 50 Switzerland
 Modelcsv_winfic=Export Winfic - eWinfic - WinSis Compta
+Modelcsv_Gestinumv3=Export for Gestinum (v3)
+Modelcsv_Gestinumv5Export for Gestinum (v5)
 ChartofaccountsId=Chart of accounts Id
 
 ## Tools - Init accounting account on product / service