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 September 27, 2023 Fannie Mae Launches New Resources to Help Latino Communities Access Homeownership September 27, 2023 In Case You Missed It: Policy Updates September 26, 2023 Quality Insider - Top Take-Aways from Fannie Mae’s QC Boot Camp