function pre_confirmation_check()
 {
     parent::pre_confirmation_check();
     if ($_SERVER['REQUEST_METHOD'] == 'POST') {
         $_SESSION[$this->code] = array('country' => isset($_POST['p1_elv_country']) ? $_POST['p1_elv_country'] : '', 'accountnumber' => isset($_POST['p1_elv_accountnumber']) ? $_POST['p1_elv_accountnumber'] : '', 'bankcode' => isset($_POST['p1_elv_bankcode']) ? $_POST['p1_elv_bankcode'] : '', 'iban' => isset($_POST['p1_elv_iban']) ? $_POST['p1_elv_iban'] : '', 'bic' => isset($_POST['p1_elv_bic']) ? $_POST['p1_elv_bic'] : '');
     }
     $this->payone->log("verfication {$this->code} payment data");
     $standard_parameters = parent::_standard_parameters();
     unset($standard_parameters['request']);
     $request_parameters = array('aid' => $this->global_config['subaccount_id'], 'key' => $this->global_config['key']);
     $params = array_merge($standard_parameters, $request_parameters, $_SESSION[$this->code]);
     $builder = new Payone_Builder($this->payone->getPayoneConfig());
     $service = $builder->buildServiceVerificationBankAccountCheck();
     $request = new Payone_Api_Request_BankAccountCheck($params);
     $this->payone->log("elv BankAccountCheck request:\n" . print_r($request, true));
     $response = $service->check($request);
     $this->payone->log("elv BankAccountCheck response:\n" . print_r($response, true));
     if ($response instanceof Payone_Api_Response_Error || $response instanceof Payone_Api_Response_BankAccountCheck_Blocked || $response instanceof Payone_Api_Response_BankAccountCheck_Invalid) {
         $this->payone->log("ERROR verification bankaccount: " . $response->getErrorcode() . ' - ' . $response->getErrormessage());
         $_SESSION['payone_error'] = $response->getCustomermessage();
         xtc_redirect(xtc_href_link(FILENAME_CHECKOUT_PAYMENT, 'payment_error=' . $this->code, 'SSL'));
     }
 }