Home Single-Family News Center Technical resources for UCD v2.0 Specification December 17, 2024 Technical resources for UCD v2.0 Specification Fannie Mae and Freddie Mac published new and updated technical resources to support implementation of the Uniform Closing Dataset v2.0 Specification (UCD v2.0). Download announcement Recent News June 24, 2026 Lender Letter LL-2026-05 Advance Notice of Changes to Servicing Processes and Systems June 23, 2026 Job Aids for Completing URARs Using UAD 3.6 June 4, 2026 UCDP Submission Summary Report Messaging Updates Supporting the Transition to UAD 3.6