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  • Do you have a tax issue or question about title and registration or motor carrier? Search Revenue Help for answers, or submit a request to one of our representatives. You can also call us using the telephone numbers listed on the left. Department of Revenue personnel are happy to assist you with any questions you may have about tax law or filing requirements.
  • Please contact a tax professional for assistance in completing all tax forms.
  • Hours of Operation:  Monday - Friday, 8 a.m. - 4:30 p.m. (Central Time), excluding state holidays.