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 September 9, 2026 Lender Letter LL-2026-06 VantageScore 4.0 Broad Lender Availability September 2, 2026 Announcement SEL-2026-08: Selling Guide Updates August 18, 2026 UAD and Forms Redesign: Updated FAQs