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Manage, file and pay Indiana business taxes.

Manage, file and pay Indiana business taxes.


New to Intax? -- INtax makes tax filing and remittance faster and simpler. Check out these resources: INtax QuickStart GuideINtax Taxpayer Guide, and INtax Tax Professionals Guide.

Alcohol and Other Tobacco Products (OTP) -- Alcohol and other tobacco products (OTP) excise taxes now are available in INtax. To log in to INtax, click here.

ATTENTION: 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.

With INtax, you can manage your Indiana sales and withholding taxes, as well as prepaid sales, metered pump sales, tire fees, and fuel taxes. It also gives you 24/7 access to business tax records, lets you file and pay online right up to the last deadline minute, and saves you the cost and hassle of mailing in returns each month.

Step-by-Step Guide Available! New to INtax? Want step-by-step instructions of how to file and pay your businesses taxes? Then the INtax Customer Guide is for you. To download this resource, click here.

Manage Your Business Taxes  Get Started >>

Did You Know?

  • We offer a range of sophisticated tutorials to help you learn how to use INtax.
  • Service providers can also use INtax. And, we have tutorials specially designed for service agencies.
  • We have a special INtax hotline for help with INtax. Call (317) 232-2337.

For e-Mandate Business Organization Resources, click here.

Access all this and more by visiting


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