Revenue

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• Estate and Gift Tax, Succession Tax, Trust and Estate Income Tax

  Find estate, gift, fiduciary, trusts, and succession tax information and forms here.

  Agency: Department of Revenue Services

• CT Income Tax: Where’s My Refund

  Citizens can check the status of an income tax refund online through the Taxpayer Service Center or by using the telephone automated refund system.

  Agency: Department of Revenue Services

• Corporation Business Tax Information

  Detailed information on registration and filing requirements for the corporation business tax.

  Agency: Department of Revenue Services

• Business Taxes

  A brief description of taxes generally applicable to companies doing business in Connecticut. It is not an all-inclusive list, but contains those taxes of interest to most businesses and, where appropriate, identifies state agencies to contact for additional information.

  Agency: Department of Revenue Services

• Guide to Connecticut Business Tax Credits

  Business tax credit information for a variety of industries.

  Agency: Department of Revenue Services

• Real and Personal Property Tax Inquiries

  While people with general questions about the state's property taxes can contact the Office of Policy and Management, any inquiries about a tax bill or mill rate on real property, such as a home, or personal property, like a motor vehicle should go to the tax collector in the town in which the property is located.

  Agency: Department of Revenue Services

• Withholding Tax Information

  Provides Connecticut businesses information about withholding requirements.

  Agency: Department of Revenue Services

• Tax Information for Veterans and Armed Forces Personnel

  Veterans and Armed Forces Personnel can view tax information, definitions and special rules on the filing status of spouses, exemptions and tax relief provisions.

  Agency: Department of Revenue Services

• Sales Tax Information

  Provides business owners information about registering a business, sales and use taxes, exemption certificates, filing and amending sales tax returns, renewing a sales tax permit and closing a business.

  Agency: Department of Revenue Services

• Business Registration Information

  Detailed information about registering a business with the Department of Revenue Services (DRS). 

  Agency: Department of Revenue Services

• CT Income Tax Information

  The Department of Revenue Services (DRS) Income Tax Portal for Individuals helps residents and part-year residents get the filing requirement information, income tax information and resources they need. 

  Agency: Department of Revenue Services

• CT Income Tax: Free Assistance Locations

  Connecticut taxpayers can receive income tax preparation help through the Department of Revenue (DRS), the Association of American Retired Persons (AARP), the Volunteer Income Tax Assistance Program (VITA), Community Accounting Aid and Services, Inc. (CAAS) and the University of Connecticut Law School Tax Clinic.

  Agency: Department of Revenue Services

• File, Pay, and View Business Account Transactions

  Businesses that have a Connecticut Tax Registration Number (CT REG) can use the Taxpayer Service Center ( TSC-BUS ) to file, pay, view tax transactions, and update the business's account information. 

  Agency: Department of Revenue Services

• Taxpayer Service Center (TSC) Online Business Help

  The TSC online help page provides information about how to file most state tax returns, view balances, and schedule payments.  

  Agency: Department of Revenue Services

• Veterans Exemption Tax Relief Program

  State law provides a basic $1,000 property tax exemption for certain honorably discharged Veterans who actively served at least 90 days during war time or their survivors. State law also provides an additional exemption for veterans and disabled veterans who are eligible for the basic exemption and who can meet certain income limits. Eligibility and key dates are discussed.

  Agency: Office of Policy and Management