Who needs to register?
If you are starting a new business in Indiana, you may need to register with the Indiana Department of Revenue. Refer to the Online Business Tax Application (BT-1) Checklist for more information.
Register with the Department through INBiz
New and Small Business Education Center
How do I register?
The application allows you to set up the appropriate tax accounts for your business.
Note that you must complete registration for each location. If you wish to consolidate tax filings for all or some of your locations, you may choose to complete Form BT-1C (Authorization for Consolidated Sales Tax Filing Number).