Sales and Use Tax Form OS-114
Fill out your Connecticut sales and use tax return.
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Tax filing resources for individuals, businesses, and other online filing methods.
Agency: Department of Revenue ServicesThe Department of Revenue Services (DRS) provides a list of information for business owners regarding registering a business and information on business taxes.
Agency: Department of Revenue ServicesIndividual Income Tax Information
Find information on filing requirements, income tax information, resources, and FAQs.
Agency: Department of Revenue ServicesThe new Connecticut Department of Revenue Services’ (DRS) online portal to file tax returns, make payments, and view your filing history.
Agency: Department of Revenue ServicesAccess all of the DRS forms.
Agency: Department of Revenue Services