Connecticut Individual Form Availability
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Connecticut Information Worksheet
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Schedule CT-CHET, Connecticut Higher Education Trust (CHET) 529 College Savings Plan Contribution
01/29/2026
01/29/2026
Supplemental Schedule CT-1040WH, Connecticut Income Tax Withholding
01/29/2026
01/29/2026
Schedule CT-1040AW, Part-Year Resident Income Allocation
01/29/2026
01/29/2026
Schedule CT-PE, Pass-Through Entity Tax Credit
01/29/2026
01/29/2026
Form CT-Dependent, Resident Dependent Information
01/29/2026
01/29/2026
Schedule CT-IT Credit, Income Tax Credit Summary
01/29/2026
01/29/2026
Form CT-1040V, Connecticut Electronic/On-Line Filing Payment Voucher
01/29/2026
01/29/2026
Schedule CT-SI, Nonresident or Part-Year Resident Schedule of Income from Connecticut Sources
01/29/2026
01/29/2026
Form CT-6251, Connecticut Alternative Minimum Tax Return
01/29/2026
01/29/2026
Form CT-6251 Schedule A, Alternative Minimum Tax Return
01/29/2026
01/29/2026
Schedule CT-EITC, Connecticut Earned Income Tax Credit
01/29/2026
01/29/2026
Form CT-1040, Connecticut Resident Income Tax Return
01/29/2026
01/29/2026
Form CT-1040NR/PY, Connecticut Nonresident and Part-Year Resident Income Tax Return
01/29/2026
01/29/2026
Schedule CT-1040BA, Nonresident Business Apportionment
01/29/2026
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Form CT-2210, Connecticut Schedule B, Interest Calculation
01/29/2026
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Form CT-2210, Connecticut Schedule A, Annualized Income Installment Schedule
01/29/2026
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Form CT-1040 EFW, Connecticut Electronic Withdrawal Payment Record
01/29/2026
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Form CT-2210, Connecticut Underpayment of Estimated Income Tax by Individuals, Trusts, and Estates
01/29/2026
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Form CT-8801, Connecticut Credit for Prior Year Minimum Tax for Individuals, Trusts, and Estates
01/29/2026
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Form CT-1040X, Connecticut Amended Income Tax Return for Individuals
01/29/2026
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Form CT-1040 EXT, Application for Extension of Time to File Connecticut Income Tax Return for Individuals
01/29/2026
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Form CT-1040ES, Connecticut Estimated Income Tax Payment Coupon for Individuals
01/29/2026
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