Individual Income Tax

Online Services

• Tax Form Selector
• Income Tax Calculator
• File Your Tax Credit Accountability Report
• Internet Installment Agreement
• Missouri Return Inquiry System
• Additions to Tax and Interest Calculator
• Military No Return Required
• Returned Refund Checks
• 1099-G Inquiry

Tax Information

• Tax Assistance
• Tax Relief Resources
• Income Tax Return Preparation Assistance
• What's New? - 2023 Individual Income Tax Changes
• Resolving Individual Income Tax Notices
• Military Information
• Identity Theft Information
• Standard Deduction and Additional Standard Deduction Chart
• State Employee and Professional Licensee Tax Compliance
• Trust Funds
• Taxpayer Bill of Rights
• Income Tax Reference Guide
• Income Tax Chart
• Remote Work Resources

Electronic Filing

• Free Online Filing of Federal and State Income Tax Returns through the Free File Alliance
• Electronic Filing Information
• Internet Installment Agreement
• Paying Taxes Online

Filing Information

• Request for Change of Address
• Filing Options
• Obtaining Tax Forms
• Return Inquiry (Refund or Balance Due Status)
• Refunds for Decedents
• 1099-G Inquiry