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 July 9, 2025 Announcement SVC-2025-04 – Servicing Guide Update July 2, 2025 Announcement SEL-2025-05: Selling Guide Updates June 30, 2025 Testing Available for UCD v2.0 Specification and UCD Critical Edits