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DOR > About Us > General Information about Business Taxes > Register a New Business Register a New Business

Who needs to register?

If you are starting a new business in Indiana, you may need to register with the Indiana Department of Revenue.

You will need to register your business with the Department if you:

To register your business with the Department, you must submit a Business Tax Application (BT-1). The form allows you to set up the appropriate tax accounts for you.

For more information about business taxes, visit the New and Small Business Education Center.

If you are an independent contractor doing business in Indiana, click here.

How do I register?

To register your business with the Department, you must submit a Business Tax Application (BT-1). The form allows you to set up the appropriate tax accounts for you.

Please note that you must complete a separate BT-1 for each location you want registered. 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).

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