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 October 8, 2025 Announcement SEL-2025-08: Selling Guide Updates October 1, 2025 Lender Letter LL-2025-03 Impact of Federal Government Shutdown September 30, 2025 Understand Top Defects to Help Strengthen Loan Quality