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 InstructionsPDF FATCA-FIRegistration-SponsoredEntityUpload-SchemaZIP 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. SampleSponsoredEntityList.xml (4 KB) – Sample Sponsored Entity List file. Multiple Sponsored Entities XML File Preparation InstructionsPDF 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).