September 19, 2017 20:20 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 How do I obtain a state tax number to collect sales tax? What can I do to be sure I am meeting all Indiana tax obligations for my business? Where do I register a sole proprietorship? Where do I go for tax forms? How do I find the state form I need?