diff --git a/include/XMLDocument/xmlinvoice_reader.class.php b/include/XMLDocument/xmlinvoice_reader.class.php
new file mode 100644
index 000000000..6e62822e7
--- /dev/null
+++ b/include/XMLDocument/xmlinvoice_reader.class.php
@@ -0,0 +1,540 @@
+<?php
+
+namespace Noalyss\XMLDocument;
+
+/*
+ *   This file is part of NOALYSS.
+ *
+ *   NOALYSS 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 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   NOALYSS 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 NOALYSS; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+// Copyright Author Dany De Bontridder danydb@aevalys.eu 22/10/23
+
+
+/**
+ * @file
+ * @brief extract information from UBL21
+ * 
+ */
+
+/**
+ * @file
+ * @brief Get information from an XML
+ * Exception code : 
+ *    - 55 : XML Invalid
+ *    - 62 : filename don't exist
+ */
+class XMLInvoice_Reader
+{
+
+    protected \DOMDocument $domDocument;
+    protected readonly \DOMXPath $xpath;
+
+    public function __construct(\DOMDocument $domDocument)
+    {
+        $this->domDocument = $domDocument;
+        $this->xpath = new \DOMXPath($this->domDocument);
+    }
+
+    /**
+     * 
+     * @return \DOMDocument
+     */
+    public function get_domDocument(): \DOMDocument
+    {
+        return $this->domDocument;
+    }
+
+    public function get_xpath(): \DOMXPath
+    {
+        return $this->xpath;
+    }
+
+    public function set_domDocument($domDocument)
+    {
+        $this->domDocument = $domDocument;
+        return $this;
+    }
+
+    /**
+     * @brief Build an XMLInvoice_Reader object from an XML string
+     * @param $string (string) XML
+     * @return \Noalyss\XMLDocument\XMLInvoice_Reader
+     * @throws \Exception if xml not valid
+     */
+    static function build_from_string($string)
+    {
+        $dm = new \DOMDocument();
+        if ($dm->loadXML($string) != false)
+        {
+            return new XMLInvoice_Reader($dm);
+        } else
+        {
+            throw new \Exception("XR55: not a valid XML");
+        }
+    }
+
+    /**
+     * @brief Build an XMLInvoice_Reader object from an XML file
+     * @param $filename (string) file and path to the file
+     * @return \Noalyss\XMLDocument\XMLInvoice_Reader
+     * @throws \Exception if xml not valid
+     */
+    static function build_from_file($filename)
+    {
+        if (!file_exists($filename))
+        {
+            throw new \Exception("XR62: file not found $filename", 62);
+        }
+        $dm = new \DOMDocument();
+        if ($dm->load($filename) != false)
+        {
+            return new XMLInvoice_Reader($dm);
+        } else
+        {
+            throw new \Exception("XR55: not a valid XML", 55);
+        }
+    }
+
+    /**
+     * @brief execute a XPATH query of the DOMDocument and return the result
+     * or null if nothing found
+     * @param $query (string) valid XPath Query
+     * @return null or DOMNodeList or DOMElement
+     */
+    public function get_node($query)
+    {
+        if ($this->xpath->query($query)->length == 0)
+        {
+            return null;
+        }
+        return $this->xpath->query($query);
+    }
+
+    /**
+     * @brief returns the embedded document in an array (keys : filecontent (BYTES),mimecode , filename)
+     * or false if there is no document
+     * @return bool|array keys : filecontent (BYTES),mimecode , filename)
+     * or false if there is no document
+     * @throws \Exception if there are several documents
+     * 
+     */
+    public function get_embedded_document()
+    {
+        if (($node = $this->get_node("//cac:AdditionalDocumentReference")) == false)
+        {
+            return false;
+        }
+        if ($node->length > 1)
+        {
+            throw new \Exception("XR110 Too many documents found", 110);
+        }
+        ///@var DOMNodeList $data //cac:AdditionalDocumentReference[1]/cac:Attachment[1]/cbc:EmbeddedDocumentBinaryObject[1]
+        if (
+                ($data = $this->get_node("//cac:AdditionalDocumentReference[1]/cac:Attachment[1]/cbc:EmbeddedDocumentBinaryObject[1]")) == null
+        )
+        {
+
+            throw new \Exception("X116 Document corrupted", 116);
+        }
+        $filecontent = base64_decode($data->item(0)->nodeValue);
+        $mimecode = $data->item(0)->getAttribute("mimeCode");
+        $filename = $data->item(0)->getAttribute("filename");
+        return array("filecontent" => $filecontent,
+            "mimecode" => $mimecode,
+            "filename" => $filename);
+    }
+
+    /**
+     * @brief get the node value 
+     * @param $query (string) valid XPath query 
+     * @param $ix (int) the item number
+     * @return string
+     */
+    function get_node_value($query, $ix = 0)
+    {
+        return $this->get_node($query)?->item($ix)?->nodeValue;
+    }
+
+    /**
+     * @brief get the customer info from XML
+     * @return array
+     */
+    function get_customer(): array
+    {
+        $result = [];
+        $result['ID'] = $this->get_node_value("//cac:AccountingCustomerParty[1]/cac:Party[1]/cbc:EndpointID[1]");
+        $result['name'] = $this->get_node_value('//cac:AccountingCustomerParty[1]/cac:Party[1]/cac:PartyName[1]/cbc:Name[1]');
+        $result['street'] = $this->get_node_value('//cac:AccountingCustomerParty[1]/cac:Party[1]/cac:PostalAddress[1]/cbc:StreetName[1]');
+        $result['city'] = $this->get_node_value('//cac:AccountingCustomerParty[1]/cac:Party[1]/cac:PostalAddress[1]/cbc:CityName[1]');
+        $result['postcode'] = $this->get_node_value('//cac:AccountingCustomerParty[1]/cac:Party[1]/cac:PostalAddress[1]/cbc:PostalZone[1]');
+        $result['country_code'] = $this->get_node_value("//cac:AccountingCustomerParty[1]/cac:Party[1]/cac:PostalAddress[1]/cac:Country[1]/cbc:IdentificationCode[1]");
+        $result['company_id'] = $this->get_node_value("//cac:AccountingCustomerParty[1]/cac:Party[1]/cac:PartyTaxScheme[1]/cbc:CompanyID[1]");
+        return $result;
+    }
+
+    /**
+     * @brief get the supplier info from XML
+     * @return array
+     */
+    function get_supplier(): array
+    {
+        $result = [];
+        $result['ID'] = $this->get_node_value("//cac:AccountingSupplierParty[1]/cac:Party[1]/cbc:EndpointID[1]");
+        $result['name'] = $this->get_node_value("//cac:AccountingSupplierParty[1]/cac:Party[1]/cac:PartyName[1]/cbc:Name[1]");
+        $result['street'] = $this->get_node_value("//cac:AccountingSupplierParty[1]/cac:Party[1]/cac:PostalAddress[1]/cbc:StreetName[1]");
+        $result['city'] = $this->get_node_value("//cac:AccountingSupplierParty[1]/cac:Party[1]/cac:PostalAddress[1]/cbc:CityName[1]");
+        $result['postcode'] = $this->get_node_value("//cac:AccountingSupplierParty[1]/cac:Party[1]/cac:PostalAddress[1]/cbc:PostalZone[1]");
+        $result['country_code'] = $this->get_node_value("//cac:AccountingSupplierParty[1]/cac:Party[1]/cac:PostalAddress[1]/cac:Country[1]/cbc:IdentificationCode[1]");
+        $result['company_id'] = $this->get_node_value("//cac:AccountingSupplierParty[1]/cac:Party[1]/cac:PartyTaxScheme[1]/cbc:CompanyID[1]");
+        return $result;
+    }
+
+    /**
+     * @brief get the Taxes info from XML
+     * @return array
+     */
+    function get_taxes(): array
+    {
+        $result = [];
+        $node = $this->get_node("//cac:TaxTotal/cac:TaxSubtotal");
+
+        for ($e = 0; $e < $node->length; $e++)
+        {
+            $row = [];
+            $xml = simplexml_import_dom($node->item($e));
+            // /Invoice/cac:TaxTotal[1]/cac:TaxSubtotal[1]/cbc:TaxableAmount[1]
+
+            $row ['taxable_amount'] = $xml->xpath("//cbc:TaxableAmount")[$e] . "";
+            $row ['tax'] = $xml->xpath("//cbc:TaxAmount")[$e] . "";
+            $row ['tax_id'] = $xml->xpath("//cac:TaxCategory/cbc:ID")[$e] . "";
+            $row ['tax_percent'] = $xml->xpath("//cac:TaxCategory/cbc:Percent")[$e] . "";
+            // $row ['name'] =$xml->xpath("//cac:InvoiceLine/cac:Item/cbc:Name")[$e]."<br>";
+            /**
+             * @TODODNY
+             * Implémenter les allowances
+             */
+            $result[] = $row;
+        }
+        return $result;
+    }
+
+    /**
+     * @brief retrieve InvoiceLines
+     * @TODO XMLInvoice_Reader->get_invoiceLine             * Implémenter les allowances
+     */
+    function get_invoiceLine(): array
+    {
+        $result = [];
+        $node = $this->get_node("//cac:InvoiceLine");
+        for ($e = 0; $e < $node->length; $e++)
+        {
+            $row = [];
+            $xml = simplexml_import_dom($node->item($e));
+            //var_dump($xml->asXML());
+            $row ['quantity'] = $this->get_node_value("//cbc:InvoicedQuantity", $e);
+            $row ['amount'] = $this->get_node_value("//cbc:LineExtensionAmount", $e);
+            $row ['description'] = $this->get_node_value("//cac:Item/cbc:Description", $e);
+            $row ['name'] = $this->get_node_value("//cac:InvoiceLine/cac:Item/cbc:Name", $e);
+            $row ['unit_price'] = $this->get_node_value("//cac:InvoiceLine/cac:Price/cbc:PriceAmount", $e);
+            $row ['tva_id'] = $this->get_node_value("//cac:InvoiceLine/cac:Item/cac:ClassifiedTaxCategory/cbc:ID", $e);
+            $row ['tva_percent'] = $this->get_node_value("//cac:InvoiceLine/cac:Item/cac:ClassifiedTaxCategory/cbc:Percent", $e);
+
+            $result[] = $row;
+        }
+        return $result;
+    }
+
+    /**
+     * @brief get the Payment Means info from XML
+     * @return array
+     */
+    function get_payment_mean(): array
+    {
+        $result = [];
+        $result['payment_code'] = $this->get_node_value("//cac:PaymentMeans[1]/cbc:PaymentMeansCode[1]");
+        $result['label'] = $this->get_node_value("//cac:PaymentMeans[1]/cbc:PaymentID[1]");
+        $result['iban'] = $this->get_node_value("//cac:PaymentMeans[1]/cac:PayeeFinancialAccount[1]/cbc:ID[1]");
+        $result['bic'] = $this->get_node_value("//cac:PaymentMeans[1]/cac:PayeeFinancialAccount[1]/cac:FinancialInstitutionBranch[1]/cbc:ID[1]");
+        $result['note'] = [];
+        $note = $this->get_node("//cac:PaymentTerms/cbc:Note");
+        if ($note != null)
+        {
+            $a = $note->length;
+            for ($i = 0; $i < $a; $i++)
+            {
+                $result['note'][] = $note->item(0)->nodeValue;
+            }
+        }
+        /**
+          <cac:PaymentTerms>
+          <cbc:Note>	In geval van betaling binnen 14 dagen is 2% (52.00€) betalingskorting van
+          toepassing 	en het te betalen bedrag = 3053.68€
+          En cas de paiement dans les 14 jours, l'escompte conditionnel de 2% (52.00€) est appliqué et le montant payable = 3053.68€
+          In case of payment within 14 days, 2% (52.00€) conditional cash/payment discount applies and the payable amount = 3053.68€
+          </cbc:Note>
+          </cac:PaymentTerms>
+         */
+        return $result;
+    }
+
+    /**
+     * @brief get the node value from simpleXML
+     * @param $xml (\SimpleXMLElement) fragment of XML dom
+     * @param $query (string) XPath query
+     * @return string
+     */
+    protected function get_simple_xml_value(\SimpleXMLElement $xml, $query): string
+    {
+        $x = $xml->xpath($query);
+        $result = (count($x) == 0) ? "" : $x[0];
+        return (string) $result;
+    }
+
+    /**
+     * @brief get the amount summary info from XML
+     * @return array
+     */
+    function get_amount_summary(): array
+    {
+        $result = [];
+        $node = $this->get_node("//cac:LegalMonetaryTotal");
+        $xml = simplexml_import_dom($node->item(0));
+        $result['LineExtensionAmount'] = $this->get_simple_xml_value($xml, "cbc:LineExtensionAmount");
+        $result['TaxExclusiveAmount'] = $this->get_simple_xml_value($xml, "cbc:TaxExclusiveAmount");
+        $result['TaxInclusiveAmount'] = $this->get_simple_xml_value($xml, "cbc:TaxInclusiveAmount");
+        $result['PayableAmount'] = $this->get_simple_xml_value($xml, "cbc:PayableAmount");
+        $result['AllowanceTotalAmount'] = $this->get_simple_xml_value($xml, "cbc:AllowanceTotalAmount");
+        $result['AllowanceTotalAmount'] = ($result['AllowanceTotalAmount'] == "") ? 0 : $result['AllowanceTotalAmount'];
+        $result['ChargeTotalAmount'] = $this->get_simple_xml_value($xml, "cbc:ChargeTotalAmount");
+        $result['ChargeTotalAmount'] = ($result['ChargeTotalAmount'] == "") ? 0 : $result['ChargeTotalAmount'];
+        return $result;
+    }
+
+    /**
+     * @brief get the customer info from XML
+     * @return array
+     */
+
+    /**
+     * 
+      @code
+      <cac:AllowanceCharge>
+      <cbc:ChargeIndicator>false</cbc:ChargeIndicator>
+      <cbc:AllowanceChargeReasonCode>64</cbc:AllowanceChargeReasonCode>
+      <cbc:AllowanceChargeReason>Conditional cash/payment discount | Korting contant | Escompte Conditionnel 2%</cbc:AllowanceChargeReason>
+      <cbc:Amount currencyID="EUR">4.00</cbc:Amount>
+      <cac:TaxCategory>
+      <cbc:ID>S</cbc:ID>
+      <cbc:Percent>6.00</cbc:Percent>
+      <cac:TaxScheme>
+      <cbc:ID>VAT</cbc:ID>
+      </cac:TaxScheme>
+      </cac:TaxCategory>
+      </cac:AllowanceCharge>
+      @encode
+     */
+    function get_allowance(): array
+    {
+        $result = [];
+        return $result;
+    }
+
+    /**
+     * 
+     * @return array
+     * @TODODNY
+     * Implémenter les allowances
+     */
+    function get_info(): array
+    {
+        $result = [];
+        $result['id'] = $this->get_node_value('cbc:ID');
+        $result['IssueDate'] = $this->get_node_value('cbc:IssueDate');
+        $result['DueDate'] = $this->get_node_value('cbc:DueDate');
+        $result['InvoiceTypeCode'] = $this->get_node_value('cbc:InvoiceTypeCode');
+        $result['DocumentCurrencyCode'] = $this->get_node_value('cbc:DocumentCurrencyCode');
+        $result['BuyerReference'] = $this->get_node_value('cbc:BuyerReference');
+        $result['ActualDeliveryDate'] = $this->get_node_value('//cac:Delivery[1]/cbc:ActualDeliveryDate[1]');
+        /*
+          <cac:Delivery>
+          <cbc:ActualDeliveryDate>2018-07-01</cbc:ActualDeliveryDate>
+          </cac:Delivery>
+         */
+        return $result;
+    }
+
+    /**
+     * @brief make a PDF with the information from XMLInvoice
+     * @param \Database $cn
+     * @returns \PDF
+     */
+    public function to_pdf(\Database $cn): \PDF
+    {
+        $pdf = new \PDF($cn);
+        $result = $this->get_info();
+        
+        $pdf->setDossierInfo(_(" id ")." ".$result['id']);
+        $pdf->AliasNbPages();
+        $pdf->setAuthor("Noalyss");
+        $pdf->AddPage();
+        // 180 mm large
+        $pdf->setFont("DejaVu", "B", 12);
+        $pdf->write_cell(60, 4, _("Information facture"));
+        $pdf->line_new(10);
+        $pdf->setFont("DejaVu", "", 7);
+        $pdf->write(4, sprintf(_("Document ID %s"), $result['id']));
+        $pdf->ln();
+        $pdf->write(4, sprintf(_("Date facture %s"), $result['IssueDate']));
+        $pdf->ln();
+        $pdf->write(4, sprintf(_("Date échéance %s"), $result['DueDate']));
+        $pdf->ln();
+        $pdf->write(4, sprintf(_("Code facture %s"), $result['InvoiceTypeCode']));
+        $pdf->ln();
+        $pdf->write(4, sprintf(_("Devise docuemnt %s"), $result['DocumentCurrencyCode']));
+        $pdf->ln();
+        $pdf->write(4, sprintf(_("Référence client %s"), $result['BuyerReference']));
+        $pdf->ln();
+        $pdf->write(4, sprintf(_("Date Livraison %s"), $result['ActualDeliveryDate']));
+        $pdf->ln(10);
+
+        $pdf->setFont("DejaVu", "B", 12);
+        $pdf->write_cell(60, 4, _("Fournisseur"));
+        $pdf->line_new(12);
+        $supplier = $this->get_supplier();
+        $pdf->setFont("DejaVu", "", 7);
+        $pdf->write_cell(60, 4, $supplier['name']);
+        $pdf->write_cell(60, 4, $supplier['company_id']);
+        $pdf->write_cell(60, 4, $supplier['ID']);
+        $pdf->line_new();
+        $pdf->write_cell(60, 4, $supplier['street']);
+        $pdf->write_cell(30, 4, $supplier['postcode']);
+        $pdf->write_cell(60, 4, $supplier['city']);
+        $pdf->write_cell(20, 4, $supplier['country_code']);
+        $pdf->line_new(10);
+
+        $customer = $this->get_customer();
+        $pdf->setFont("DejaVu", "B", 12);
+        $pdf->write_cell(60, 4, _("Client"));
+        $pdf->line_new(10);
+        $pdf->setFont("DejaVu", "", 7);
+        $pdf->write_cell(60, 4, $customer['name']);
+        $pdf->write_cell(60, 4, $customer['company_id']);
+        $pdf->write_cell(60, 4, $customer['ID']);
+        $pdf->line_new();
+        $pdf->write_cell(60, 4, $customer['street']);
+        $pdf->write_cell(40, 4, $customer['postcode']);
+        $pdf->write_cell(60, 4, $customer['city']);
+        $pdf->write_cell(20, 4, $customer['country_code']);
+        $pdf->line_new(10);
+
+        $pdf->setFont("DejaVu", "B", 12);
+        $pdf->write_cell(60, 4, _("Articles"));
+        $pdf->line_new(10);
+        $pdf->setFont("DejaVu", "", 7);
+        $result = $this->get_invoiceLine();
+        $pdf->write_cell(50, 4, _("Code"), border: 'B');
+        $pdf->write_cell(50, 4, _("Description"), border: 'B');
+        $pdf->write_cell(30, 4, _("TVA"), border: 'B', align: 'R');
+        $pdf->write_cell(25, 4, _("Quantité"), border: 'B', align: 'R');
+        $pdf->write_cell(25, 4, _("Montant HT"), border: 'B', align: 'R');
+        $pdf->line_new();
+
+        $nb_inline = count($result);
+        for ($i = 0; $i < $nb_inline; $i++)
+        {
+            $pdf->write_cell(50, 4, $result[$i]['name']);
+            $pdf->write_cell(50, 4, $result[$i]['description']);
+            $pdf->write_cell(25, 4, $result[$i]['tva_percent'], align: 'R');
+            $pdf->write_cell(5, 4, $result[$i]['tva_id']);
+            $pdf->write_cell(25, 4, $result[$i]['quantity'], align: 'R');
+            $pdf->write_cell(25, 4, $result[$i]['amount'], align: 'R');
+            $pdf->line_new();
+        }
+        $pdf->line_new(10);
+
+        $pdf->setFont("DejaVu", "B", 12);
+        $pdf->write_cell(60, 4, _("Totaux"));
+        $pdf->line_new(10);
+        $pdf->setFont("DejaVu", "", 7);
+        $result = $this->get_amount_summary();
+//        @TODO DNY : Qu'est-ce que LineExtension Amount ??
+        $pdf->write_cell(50, 4, _("Base taxe"));
+        $pdf->write_cell(50, 4, $result['LineExtensionAmount']);
+        $pdf->line_new();
+        $pdf->write_cell(50, 4, _("Total Hors Taxe"));
+        $pdf->write_cell(50, 4, $result['TaxExclusiveAmount']);
+        $pdf->line_new();
+        $pdf->write_cell(50, 4, _("Total avec Taxe"));
+        $pdf->write_cell(50, 4, $result['TaxInclusiveAmount']);
+        $pdf->line_new();
+        $pdf->write_cell(50, 4, _("Total à payer"));
+        $pdf->write_cell(50, 4, $result['PayableAmount']);
+        $pdf->line_new();
+        $pdf->write_cell(50, 4, _("Total réduction"));
+        $pdf->write_cell(50, 4, $result['AllowanceTotalAmount']);
+        $pdf->line_new();
+        $pdf->write_cell(50, 4, _("Total charge"));
+        $pdf->write_cell(50, 4, $result['ChargeTotalAmount']);
+        $pdf->line_new();
+
+        $pdf->line_new(10);
+        $pdf->setFont("DejaVu", "B", 12);
+        $pdf->write_cell(60, 4, _("TVA"));
+        $pdf->line_new(10);
+        $pdf->setFont("DejaVu", "", 7);
+        $result = $this->get_taxes();
+        $pdf->write_cell(25, 4, _("% Taxe"), align: 'R', border: 'B');
+        $pdf->write_cell(5, 4, _("Code taxe"), border: 'B');
+        $pdf->write_cell(50, 4, _("Base"), align: 'R', border: 'B');
+        $pdf->write_cell(50, 4, _("Taxe"), align: 'R', border: 'B');
+        $pdf->line_new();
+        $nb_inline = count($result);
+        for ($i = 0; $i < $nb_inline; $i++)
+        {
+            $pdf->write_cell(25, 4, $result[$i]['tax_percent'], align: 'R');
+            $pdf->write_cell(5, 4, $result[$i]['tax_id']);
+            $pdf->write_cell(50, 4, $result[$i]['taxable_amount'], align: 'R');
+            $pdf->write_cell(50, 4, $result[$i]['tax'], align: 'R');
+
+            $pdf->line_new();
+        }
+        $pdf->line_new(10);
+        $pdf->setFont("DejaVu", "B", 12);
+        $pdf->write_cell(60, 4, _("Paiement"));
+        $pdf->line_new(10);
+        $pdf->setFont("DejaVu", "", 7);
+        $result = $this->get_payment_mean();
+        $pdf->write_cell(50, 4, _("Code"));
+        $pdf->write_cell(50, 4, $result['payment_code']);
+        $pdf->line_new();
+        $pdf->write_cell(50, 4, _("IBAN"));
+        $pdf->write_cell(50, 4, $result['iban']);
+        $pdf->line_new();
+        $pdf->write_cell(50, 4, _("BIC"));
+        $pdf->write_cell(50, 4, $result['bic']);
+        $pdf->line_new();
+        $pdf->write_cell(50, 4, _("Communication"));
+        $pdf->write_cell(50, 4, $result['label']);
+        $pdf->line_new();
+        $nb_note = count($result['note']);
+        for ($i = 0; $i < $nb_note; $i++)
+        {
+            $pdf->write_cell(40, 4, _("note") . " " . $i);
+            $pdf->write_multi(140, 4, str_replace(["\n","\r","\t"]," ",$result['note'][$i]));
+            $pdf->line_new();
+        }
+        return $pdf;
+    }
+}