The following links provide information and technical guidance for software developers and transmitters who are interested in developing software for the Modernized e-File (MeF) Form 709/709-NA. You will find the Extensible Markup Language (XML) schemas, business rules, and other useful information separated by tax year.

Form 709/709-NA production and Assurance Testing System (ATS) - Current valid schema

Tax year


Modernized e-File (MeF) schemas and business rules