Home Learning Center Appendix C | XML Samples Appendix C | XML Samples Contains Uniform Loan Delivery Dataset (ULDD) XML samples necessary when submitting single-family loan delivery data in the MISMO XML file format. Scenarios Scenario 1 | Fannie Mae Conventional Fixed-Rate Purchase – Whole Loan Scenario 2 | Fannie Mae Conventional ARM Refinance – Whole Loan Scenario 3 | Fannie Mae Conventional Fixed-Rate Condo Purchase - Whole Loan Delivery Download all ULDD Fannie Mae Test Cases (XML) (Appendix C) > Uniform Loan Delivery Dataset (ULDD) >