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Indiana Department of Revenue

BT-1 - Business Tax Application - Get Started

BT-1 - Business Tax Application

To register your business with the department, you must submit a Business Tax Application (BT-1). This allows you to set up the appropriate tax accounts for your business. Completing this application online helps reduce the time it takes to register with the Indiana Department of Revenue for various tax types.

Once your application is completed and submitted, the Indiana Department of Revenue will contact you within 48 hours regarding the status of your application.

ATTENTION: Effective Jan. 1, 2013, ALL businesses in Indiana must file and pay their sales and withholding taxes electronically. For more information, click here.

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

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