- 2019 IT-40 Booklet with forms - Annotated Version with Code Cites
- Indiana Administrative Code, Title 45
- Indiana Code
- Indiana Register
- Indiana Research Expense Credit documents:
- Information Bulletins
- Legal FinDOR
- 2019 Legislative Update
- Summaries of State Legislation Affecting the Indiana Department of Revenue
- Tax Court Website
Letters of Finding and Revenue Rulings
All Letters of Finding and Revenue Rulings are posted to the Indiana Register. The Register is the official record of all rulemaking actions by Indiana State Government. All Department of Revenue Letters of Finding and Revenue Rulings are published monthly in the Register. The Register is a fully searchable database.
All State Legislation Affecting the Indiana Department of Revenue
Insurance companies partner with the State of Indiana to help with private long-term care services.
The State Information Center is the single point of contact for business start-up information and source for the public to find answers to questions about state government.
Find information about federal tax collection and the Internal Revenue Code.
The Federal Taxpayer Advocate Service helps resolve ongoing problems with the IRS.
Determine your eligibility for an EIN and submit an application online for an EIN through the IRS.
Small Business information from the United States Government.
- Administrative Protest Guidelines
- Tax Amnesty 2015 Final Report
- County Innkeeper's Tax Rate and Effective Dates
- Collection Process
- Corporate Income and Franchise Tax Cites in the Indiana Tax Code
- Food-and-Beverage Tax Rates and Effective Dates
- Fuel Tax Matrix
- Electronic Funds Transfer Program Information Guide and Registration Packet
- Sales Tax Chart
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- Tax Lien Balance Inquiry
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- OSW Permitting
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