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Customer Service
questions about sales, use, motor fuel, inheritance, and income taxes; registering to collect sales tax or withhold income tax; the eFile & Pay system, e-filing individual income taxRequest a Copy of Sales Tax Permit and BEN Number
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If things go wrong...
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Report Tax Fraud
If you request confidential tax information by e-mail
After writing your question, please give us a name and daytime phone number. If your question is complex, we may need to call you. Our response to your request may include confidential tax information; however, in no case will an e-mail include Federal Tax Information.
To protect your privacy, you must authorize the Department of Revenue to transmit this confidential information via e-mail.
The Department will respond to a request for confidential information only after you authorize us to do so by answering the following three questions:
1. Do you authorize the Iowa Department of Revenue to e-mail confidential information you may request?
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2. To what e-mail address do you want us to send confidential information?
3. Do you acknowledge that e-mail transmissions are not always secure?