Uniform Loan Delivery Dataset Announcements

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.

ULDD Phase 5 (5.0.1) Specification Release January 30, 2024-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.
ULDD Phase 5 Supporting Documentation Updates December 19, 2023-As a follow up to the September 12, 2023, announcement, Freddie Mac and Fannie Mae (the GSEs) are providing supporting documentation updates to help prepare you for the implementation of ULDD Phase 5.
ULDD Phase 5 Specification Release September 12, 2023-The Fannie Mae Phase 5 implementation will add new data points and updates to existing data points to support the Enterprise Credit Score and Credit Reports Initiative requirements, and align with Uniform Appraisal Dataset (UAD) Redesign specification, Fannie Mae Selling Guide updates, and business-critical needs.
ULDD Phase 4a Specification Release December 14, 2021-Fannie Mae and Freddie Mac (the GSEs) are updating the Uniform Loan Delivery Dataset (ULDD) to align with current GSE requirements and support the continued improvement of our loan delivery standards. Fannie Mae’s updates clarify implementation notes, add a new valid value, remove an inactive valid value, and align data point conditionality to the Selling Guide for the existing ULDD Phase 3 data points.
ULDD updates for the retirement of CMT-indexed ARMS June 8, 2021-Freddie Mac and Fannie Mae (the GSEs) have updated the Uniform Loan Delivery Dataset (ULDD) specification for the retirement of the Constant Maturity Treasury (CMT) indexed adjustable-rate mortgages (ARMs). The GSEs will not purchase any CMT-indexed ARM with an Application Received Date of July 1, 2021 or later. Effective Oct. 1, 2021, the GSEs will no longer purchase any CMT-indexed ARMs, regardless of the Application Received Date or Note Date.
Reminder: Dec. 31 final day for LIBOR-indexed ARMs purchase December 1, 2020-To be eligible for delivery to Fannie Mae, LIBOR-indexed ARMs must have an Application Received Date on or before September 30, 2020. LIBOR-indexed ARMs must be purchased as whole loans on or before December 31, 2020, or in mortgage-backed security pools/participation certificates with an issue date on or before December 1, 2020.
ULDD Updates to Support SOFR ARM Index Transition April 21, 2020-Fannie Mae and Freddie Mac published an updated Uniform Loan Delivery Dataset (ULDD) Specification and additional loan delivery implementation details in support of the industry transition to SOFR-indexed ARM loan products.