The following links provide information and technical guidance for software developers and transmitters who are interested in developing software for the Modernized e-File Forms 990, 990-EZ, 990-PF, 990-N, 990-T, 1120-POL, 8868, 4720, 5227, 5330, and 8038-CP. You will find the XML Schemas, Business Rules and other useful information separated by Tax Year. Test scenarios for TY2022 are available on the Tax Year 2022 Exempt Organizations and Other Tax Exempt Entities MeF Test Assurance System Test Scenarios webpage. Prior year test scenarios for 2021 and 2020 are available on the Exempt Organizations MeF Test Assurance System webpage. Stylesheets – Forms 990/990EZ/990-N/990-PF/990-T/1120-POL/8868/4720/5227/5330/8038-CP and corporate Forms 1120/1120S/7004 stylesheets can be downloaded for use in displaying XML tax return data. Production & Acceptance Testing System (ATS) - Current Valid Schemas Tax Year Form Type 2023 Form 990 family*, 990N, 990T, 1120POL, 8868, 4720, 5227, 5330, 8038CP (2024) 2022 Form 990 family*, 990N, 990T, 1120POL, 8868, 4720, 5227, 5330, 8038CP (2023) 2021 Form 990 family*, 990N, 990T, 1120POL, 8868, 4720, 5330, 8038CP (2022) 2020 Form 990 family*, 990N, 990T, 1120POL, 8868, 4720 * Includes 990, 990EZ, 990PF Back to EO MeF XML Schemas and Associated Information
