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 January 27, 2026 In Case You Missed It: Policy Updates January 26, 2026 Available Now in Broad Production: UAD 3.6 and Forms Redesign December 18, 2025 Controlling For Collateral Defects