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Tax Professionals
Tax Practitioners - Tax Form Preparers, Tax Attorneys, and other Tax Professionals can find information here to assist them with their clients.
Electronic Transmitters/Software Developers - Software developers and transmitters can find information here about our technical specifications, enrollment, and testing requirements.
Substitute Forms Developers - If you produce, or intend to produce, your own version of the official tax forms, you can find information here about our technical specifications, enrollment, and testing requirements.