Sales and Use Tax Form OS-114
Fill out your Connecticut sales and use tax return.
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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
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
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
Find estate, gift, fiduciary, trusts, and succession tax information and forms here.Agency: Department of Revenue Services
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
Business Taxes Registration Application REG-1
Register your business with the Department of Revenue Services.