Software Developers

Letter of Intent

Authorized Software Developers may request access to the Letter of Intent by emailing TaxLOI@WV.Gov.

The Letter of Intent (LOI) must be submitted no later than October 31, 2021.

Substitute Tax Forms

Substitute Tax Form Requirements - This publication provides information necessary for the development of substitute forms. Software developers must comply with the requirements in this publication to gain approval by the Department.

Modernized Electronic Filing

Please refer to the MEF Handbook for further information. This publication provides information on specifications, requirements, and instructions applicable to the West Virginia State Electronic Filing (MEF) Program.

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