The tax year 2024 Modernized e-File (MeF) Assurance Testing System (ATS) test scenarios for exempt organizations and other tax-exempt entities returns are listed in the table. Also included are the Form 8038-CP test scenarios for tax year 2025, filed in processing year 2025. Please see the MeF ATS page for the complete list of test scenarios for all forms supported by MeF. Please monitor this page for any ATS scenario updates. Form type Tax year Comments 990 ZIP 2024 990-EZ ZIP 2024 990-PF 2024 990-N ZIP 2024 990-T 2024 1120-POL 2024 8868 ZIP 2024 4720 2024 5227 2024 5330 2024 8038-CP 2025 Exempt organizations and other tax-exempt entities MeF XML schemas