Guide to Connecticut Business Taxes

This guide provides general information on the various business structures available in Connecticut and the income tax forms each type of business should use for both state and federal income tax purposes. It also describes who must obtain a federal Employer Identification Number (EIN) and provides information on who to contact to obtain one. The guide can be used to assist business owners in determining what business structure is best for them, and what tax forms they will need to file for their specific business.