Uniform Loan Delivery Dataset
The Uniform Loan Delivery Dataset (ULDD), part of the Uniform Mortgage Data Program (UMDP), is the common set of data elements required by Fannie Mae and Freddie Mac for single-family loan deliveries.
ULDD Phase 5 (5.1.0) Specification release
The Uniform Loan Delivery Dataset (ULDD) Phase 5 specification has been updated with implementation note revisions and conditionality adjustments. To stay compliant, please review the updated ULDD specification and ensure your processes are aligned with the latest changes by the Phase 5 mandate on July 28.
What's New
May 20, 2025
ULDD Phase 5 (5.1.0) Specification release
We’re updating the ULDD to provide further guidance on Phase 5 data implementations based on feedback.
Questions?
Frequently Asked Questions
ULDD Specification and Test Cases
Release Notes
- ULDD Phase 5 Specification Release Notes | May 20, 2025
- ULDD Phase 5 Specification Release Notes | Jan. 30, 2024
- ULDD Phase 5 Specification Release Notes | Sept. 12, 2023
- ULDD GSE Alignment and Revised Date for MI Name Change Genworth to Enact | July 26, 2022
- ULDD Phase 4a Specification Release Notes | Dec. 14, 2021
Technical Implementation Resources
