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If you are a business with a withholding file 2MB or less in size, please follow these steps:
Step 1: Register for INtax at www.intax.in.gov/
Step 2: Manually enter each of your W-2s into INtax. Be sure that you have a valid Indiana Taxpayer Identification number (TID). However, if you have a valid EFW2 text file, you may upload your W-2s. For more information, click here.
You can use INtax to manage your Indiana sales and withholding taxes online. It gives you 24/7 access to your business tax records and lets you file and pay online right up to the last minute. Many taxpayers currently using INtax are highly satisfied with it. In fact, 93 percent of INtax users recently surveyed said they would recommend INtax to others.
Phone: (317) 233-5656
Address: Electronic Filing Coordinator
Indiana Department of Revenue
100 North Senate Avenue, IGC N286
Indianapolis, IN 46204-2253