May 14, 2017 21:16 Updated Follow If you are starting a new business in Indiana, you may need to register with the Indiana Department of Revenue. For more information on registering a business, visit http://www.in.gov/dor/3744.htm Related articles What can I do to be sure I am meeting all Indiana tax obligations for my business? Where do I register a sole proprietorship? Why did I receive a tax bill for underpaying my estimated taxes? Where is my state tax refund? How do I obtain a state tax number to collect sales tax?