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 takes effect on July 28, 2025
Stay ahead by reviewing key updates in the resources below, testing requirements, and implementation steps to ensure your Loan Delivery systems are ready.
Review ULDD Phase 5 Implementation Considerations
Review the Wire Instructions Reference Identifier
What's New
Jan. 30, 2024
ULDD Phase 5 (5.0.1) Specification Release
We’re updating the ULDD to provide further guidance on implementation and mandate dates associated with the data enhancements included in the ULDD Phase 5 specification published on Sept. 12, 2023. Please review the announcement below for an overview on the implementation and mandate dates associated with business-critical and UAD 3.6 alignment data enhancements for the Phase 5 data requirements.
Questions?
Frequently Asked Questions
Technical Implementation Resources
