Connecticut Income Taxes and State Tax Forms
- Form 1040, Resident Income Tax Return
- Schedule 1, Modifications to Federal AGI
- Schedule 2, Credit for Taxes Paid to Another State
- Schedule 3, Property Tax Credit Worksheet
- Schedule 1040WH, Income Tax Withholding Supplemental Schedule
- Form 1040ES, Estimated Income Tax Payment Coupon
- Form 1040V, Electronic Filing Payment Voucher
- Form 2210, Underpayment of Estimated Income Tax by Individuals, Trusts, and Estates
- Form 6251, Alternative Minimum Tax Return - Individuals
- Form 8582, Passive Activity Loss Limitations
A list of all Connecticut State efile Income Tax Return Error Reject Codes.
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