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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ULDD Phase 2 Countdown to June 27 All lenders must be delivering the ULDD Phase 2 data in Loan Delivery by June 27, 2016 - start today! On April 1, 2016, edits associated with the ULDD Phase 2 data switched to Warning in Loan Delivery; these edits will turn Fatal on June 27, 2016. Reference the Business Rules Dictionary for a list of these 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 new

    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 updated