Home Single-Family News Center ULDD Phase 5 (5.1.0) Specification Release May 20, 2025 ULDD Phase 5 (5.1.0) Specification Release We’re updating the ULDD to provide further guidance on Phase 5 data implementations based on feedback. Download announcement Recent News 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 June 3, 2026 Announcement SEL-2026-06: Selling Guide Updates
