Home Single-Family News Center Open Production Period has begun January 4, 2021 Open Production Period has begun Effective Jan. 1, 2021, all lenders may begin using the redesigned Form 1003 and updated DU Spec to submit loans to production using the new DU user interface. Launch DU Recent News December 18, 2024 Announcement SVC-2024-07 – Servicing Guide Update December 17, 2024 Technical resources for UCD v2.0 Specification December 11, 2024 Announcement SEL-2024-08: Selling Guide Updates