Home Irrevocable Limited Power of Attorney (Form 520) October 20, 2021 Irrevocable Limited Power of Attorney (Form 520) A one-time delivery of limited power of attorney (Form 520) is required from all sellers/servicers.Download Form 520 Download job aid Recent News October 14, 2026 Announcement SVC-2026-06 – Servicing Guide Update October 12, 2026 DU Validation Service: A Smarter Way to Focus Your Quality Control Efforts October 7, 2026 Announcement SEL-2026-09: Selling Guide Updates