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 1120, 1120S, and 1120-F. You will find the XML Schemas, Business Rules and other useful information separated by tax year.
Forms 1120, 1120S, and 1120-F Stylesheets can be downloaded for use in displaying XML tax return data.
|Tax Year||Form Type|
|2019||Form 1120, 1120S, and 1120-F|
|2018||Form 1120, 1120S, and 1120-F|
|2017||Form 1120, 1120S, and 1120-F|