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Taxes CT

CT Corporation Business Tax

Source: CT Department of Revenue Services Verified: March 1, 2026

Connecticut levies a Corporation Business Tax on the net income of C corporations doing business in the state at a rate of 7.5%. The minimum tax is $250 per year, and returns are due on the 15th day of the month following the federal return due date.

Official Source:
CT Department of Revenue Services
Always verify current information directly with this agency.

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