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 June 29, 2026 Understand Top Defects to Help Strengthen Loan Quality June 29, 2026 In Case You Missed It: Policy Updates June 24, 2026 Lender Letter LL-2026-05 Advance Notice of Changes to Servicing Processes and Systems