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Indiana Department of Revenue

DOR > Online Services > INtax - Business Tax Center > e-Mandate Business Organization Resources e-Mandate Business Organization Resources

The 2012 General Assembly passed several laws that change the way business taxpayers will be required to file and remit sales and withholding taxes. These changes will affect hundreds of Indiana business owners.

The most significant change is the establishment of an electronic filing and payment mandate for all Indiana sales and withholding taxes. Effective Jan. 1, 2013, ALL businesses in Indiana must file and pay their sales and withholding taxes electronically. Businesses currently filing paper coupons will need to transition to filing via the state’s INtax program or use a third-party vendor to electronically transmit forms ST-103 and WH-1. This is required by Indiana law.

INtax is a powerful tool for Indiana businesses that features filing and payment history, 24/7 access, ACH debit (EFT) and credit card payments, and business tax management from one convenient login.

On this page you will find information and tools business organizations can use including a basic fact sheet and a prepared article about the mandate and INtax. The downloadable PDF article and fact sheet was designed for easy placement in communication channels. Please consider publicizing these in your member communications.

Make sure to visit our INtax page at for FAQs, tutorials, an INtax QuickStart Guide, and other resources. You can also subscribe to our website to receive automatic emails about important tax updates.

In addition, you can receive updates at your convenience by following us on Twitter at and/or subscribing to our blog at