Uniform Loan Delivery Dataset (ULDD)

The Uniform Loan Delivery Dataset (ULDD) is the common set of data elements required by Fannie Mae and Freddie Mac for single-family loan deliveries.

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Resources

ULDD Phase 2 data is required for all loans - Effective June 27, 2016, all lenders must deliver the ULDD Phase 2 data in Loan Delivery. Note that the Phase 2 data is subject to Fatal edits (reference the Business Rules Dictionary for a list of edits).

ULDD Quick Guides

Several of these Quick Guides have been updated for ULDD Phase 2. Refer to Appendix D for Phase 2 Data requirements.

Help & Training

Technical Implementation Resources

Important Updates

What's New

  • New Quarterly Compass: Q2 Technology and Policy News and Updates

    Summarizes what's new with the Uniform Mortgage Data Program (UMDP) initiatives, the summer launch of our new integration platform, plus Fannie Mae Connect news, HomeReady enhancements, and more.

  • Reminder of Appendix D Updates

    Fannie Mae’s Appendix D was recently updated with changes to conditionality, enumerations, and implementation notes. Review the latest version (V2.0.5) to assist in delivering ULDD Phase 2 data requirements to us by June 27, 2016.

Frequently Asked Questions

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Joint ULDDS Implementation

Upcoming Milestones

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The Quarterly Compass