The Tax Year 2022 Modernized e-File (MeF) Assurance Testing System (ATS) test scenarios for Exempt Organizations and Other Tax Exempt Entities returns are listed in the table below. Also included are the Form 8038-CP test scenarios for Tax Year 2023, filed in Processing Year 2023. Please see the MeF ATS page for the complete list of test scenarios for all forms supported by MeF. If you will support these Forms, you will need to contact the e-Help Desk for testing. Please monitor this page for any ATS Scenario updates. Form Type Tax Year Comments 990ZIP 2022 990-EZZIP 2022 990-PFZIP 2022 990-NZIP 2022 990-TZIP 2022 1120-POLZIP 2022 8868ZIP 2022 4720ZIP 2022 5227ZIP 2022 5330ZIP 2022 8038-CPZIP 2022 Back to Exempt Organizations and Other Tax Exempt Entities MeF XML Schemas