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 July 9, 2025 Announcement SVC-2025-04 – Servicing Guide Update July 2, 2025 Announcement SEL-2025-05: Selling Guide Updates June 30, 2025 Testing Available for UCD v2.0 Specification and UCD Critical Edits