Taxing authority contact information and important links

Taxing Authorities


Indiana Department of Revenue


Indiana’s free online tax filing program allows you to file and pay your business taxes such as sales tax, food and beverage tax, and withholding tax

Assessors’ Offices:


Click on the heading to visit each entity's website

Small Business Administration 

Resources to plan, launch, manage, and grow your business

Indiana New and Small Business Education Center

Help for you to better understand state laws, the tax filing process, and what services are available to you to help you as your business evolves


Indiana’s one stop resource for registering & managing your business and ensuring it complies with state laws and regulations. INBiz collects the Secretary of State, Department of Workforce Development, and Department of Revenue in one place.

IFTA/MCFT Fuel Tax System

Motor carrier services and fuel tax filing