TY2026 exempt organizations and other tax-exempt entities MeF Assurance Testing System (ATS) test scenarios

The tax year 2026 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 2027, filed in processing year 2027. 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.

Exempt organizations and other tax-exempt entities MeF XML schemas