Details for your rejected filing.
Error message: Taxpayer EIN in the Return Header must not be the same as an EIN of a previously accepted electronic return for the return type and tax period and Type of Return Code indicated for the tax return type.
Solution: Taxpayer EIN in the Return must not be the same as an EIN of a previously accepted electronic return for the return type and tax period and Type of Return Code indicated for the tax return type. The IRS helpdesk encourages you to contact them via telephone at 866-255-0654 so they can assist you in resolving this issue and allow you to successfully e-file this return and/or extension. If the reject persists, please print the return or extension and mail the return or extension to the appropriate IRS service center.
Code: F7004-011-03