The tax year 2025 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 2026, filed in processing year 2026. 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 2025 10/16/2025: Tests 1 and 3 will be posted by 10/30/2025
990-EZ ZIP 2025 10/16/2025: Test 1 will be posted by 10/30/2025
990-PF ZIP 2025  
990-N ZIP 2025  
990-T 2025 10/16/2025: Will be posted by 10/30/2025
1120-POL ZIP 2025  
8868 ZIP 2025  
4720 ZIP 2025  
5227 ZIP 2025 10/16/2025: Test 2 will be posted by 10/30/2025
5330 ZIP 2025  
8038-CP ZIP 2026  

Exempt organizations and other tax-exempt entities MeF XML schemas