CT CT-1120 Information
Form CT-1120, Corporation Business Tax Return, must be filed by every corporation (or association taxable as a corporation) that carries on business or has the right to carry on business in Connecticut. Any corporation dissolved or withdrawn from Connecticut is subject to the corporation business tax up to the date of dissolution or withdrawal. Beginning with the 2014 Income Year Corporate Tax Returns (including Form CT-1120ES) MUST be electronically filed through the TAXPAYER SERVICE CENTER - TSC www.ct.gov/DRS/TSC
Link to official form info: Connecticut CT-1120
Link to official form info for CT-1120
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- Monday Mar 17, 2025
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10 Connecticut Tax Filings & Forms:
CT-1120 - Corporation Business Tax Return CT-1040 - Resident Income Tax Return CT-1040NR/PY - Nonresident and Part-Year Resident Income Tax Return CT-1065/CT-1120SI - Composite Income Tax Return (S Corp) CT-941 - Quarterly Reconciliation of Withholding Form CT-W3 - Annual Reconciliation of Withholding UC-2 - Employer Contribution Return CT-WH - Withholding Tax Payment Form OS-114 - Sales and Use Tax Return OS-114 - Sales and Use Tax ReturnAre we missing a Connecticut tax form?
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