The FATCA Registration Sponsored Entity XML schema provides the format and structure to add Sponsored Entity and Sponsored Subsidiary Branch information using a file upload. The IRS provides a Microsoft Excel-based Sponsored Entity Data Preparation Tool for users unfamiliar with XML. The information below has instructions on how to create and validate the XML file: File Description Instructions FATCA Registration Sponsored Entity Data Preparation Tool (XLSM) (537 KB) Data preparation tool compatible with Microsoft Excel 2010 or later to validate and generate a sponsored entity XML file based on data provided by the user. Sponsored Entity Data Preparation Tool instructions PDF FATCA Online Registration System Information for Adding Multiple Sponsored Entities Using a File Upload ZIP FATCA-FIRegistration-SponsoredEntityUpload-1.0.xsd (13 KB) Main schema for FATCA FI Registration Sponsored Entity List. FATCA-FIRegistration-SponsoredEntityUpload-CountryList-1.0.xsd (80 KB) Two-letter country codes defined in ISO 3166-1 standard. Referenced by main schema. FATCA Online Registration System Information for Adding Multiple Sponsored Entities Using a File Upload (XML) (4 KB) – Sample Sponsored Entity List file. Multiple sponsored entities XML file preparation instructions PDF Additional reference Country/Jurisdiction listing XML resources – The .XSD and sample .XML files can be viewed with a web browser (i.e. Internet Explorer, Chrome), a text editor (i.e. Notepad), or an XML tool (i.e. XMLSpy, XML Notepad).