+ $invoiceSettings = CRM_Core_BAO_Setting::getItem(CRM_Core_BAO_Setting::CONTRIBUTE_PREFERENCES_NAME, 'contribution_invoice_settings');
+ $invoicing = CRM_Utils_Array::value('invoicing', $invoiceSettings);
+ $this->assign('invoicing', $invoicing);
+ if ($invoicing && isset($values['tax_amount'])) {
+ $this->assign('totalTaxAmount', $values['tax_amount']);
+ }