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IRS Publication 3112 requires transmitters to validate that they are submitting returns only for Authorized IRS e-file Providers. To comply with IRS requirements, TaxACT requires prepares to submit a copy of their IRS e-file Application Summary. If you obtained your EFIN in the current year, you can also provide a copy of your EFIN Acceptance Letter. This one-time verification process needs to be completed for each EFIN used in your office.

You can submit a copy of your Application Summary through e-mail to or fax it to 319-447-4674 (Attention: EFIN Verification). Once your EFIN letter has been processed, you will receive a confirmation e-mail stating TaxACT has received your EFIN verification.

You can obtain a copy of your Application Summary from IRS e-Services. For help printing a copy of your IRS e-file Application Summary, follow the step-by-step instructions in the Access or Print the Application Summary from IRS e-Services FAQ.    

You can find out more information about Electronic Filing ID Numbers (EFIN) in the IRS's FAQs.

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