1. ​​How long will it take to get my permit/certificate if I use the department's Business Tax Online Registration?

  2. How will I be notified of my permit/certificate number?

  3. How do I pay my application fee?

  4. How do I locate the proper NAICS Code?

  5. What county do I choose if I am from out-of-state?

  6. How will I know the department has received my completed application?

  7. What do I do if I am unable to complete my application?

  8. Why am I required to enter my social security number and/or federal employer identification number?

  9. Can I register to file and pay my taxes online at the same time?

  10. What if I previously held a permit/certificate and would like to reactivate that account?

  11. What if I don't have a Federal Employer Identification Number (FEIN)?

For additional information see our Business Tax Registration Common Questions.


MS 3-14
Tax Operations Bureau
PO Box 8902
Madison, WI 53708-8902
Phone: (608) 266-2776
Fax: (608) 327-0235
Email additional questions to DORBusinessTax@wisconsin.gov

December 21, 2018