The following links provide information and technical guidance for software developers and transmitters who are interested in developing software for the Modernized e-File Form 1041. You will find the XML Schemas, Business Rules, and other useful information separated by tax year.

Production & Acceptance Testing System (ATS) - Current Valid Schemas

Tax Year Form Type
2020 1041
2019 1041
2018 1041
2017 1041

Back to MeF Business Rules and Schemas page