The following links provide information and technical guidance for Software Developers and Transmitters who are interested in developing software for the Employment Tax Modernized e-File (MeF) Forms. You will find the Extensible Markup Language (XML) Schemas, Business Rules and other useful information and documents by tax year.
Production & Assurance Testing System (ATS) Schemas and Business Rules by Tax Year
|Tax Year||Form Types|
|2021||940, 940-PR, 941, 941-PR, 941-SS, 943, 943-PR, 944, 945 and 94x Online Signature PIN Registration Application|
|2020||940, 940-PR, 941, 941-PR, 941-SS, 943, 943-PR, 944, 945 and 94x Online Signature PIN Registration Application|
|2019||940, 940-PR, 941, 941-PR, 941-SS, 943, 943-PR, 944, 945 and 94x Online Signature PIN Registration Application|
Testing information for the Employment Tax Forms is provided on the Modernized e-File (MeF) Assurance Testing System (ATS) Updates Page.
Employment Tax e-Signature Methods
The Employment Tax e-Signature Methods document communicates the signature methods for various Employment Tax Stakeholders.
Employment Tax e-file Frequently Asked Questions
The Modernized e-File for Employment Taxes FAQs communicate common questions and answers regarding the Employment Tax e-file Program.
Employment Tax MeF form Stylesheets can be downloaded for use in displaying XML tax return data.