E-filing: Supported Connecticut State Tax Return Forms

The following state tax forms for Connecticut are all supported by our online tax preparation software, should you need them. Remember: when you e-file your state tax return with CompleteTax, we'll fill out any state or federal forms that you require automatically.

Form 8582, Passive Activity Loss Limitations

Form CT-1040, Connecticut Resident Income Tax Return

Form CT-1040ES, Estimated Connecticut Income Tax Payment

Form CT-1040V, Connecticut Electronic Filing Payment Voucher

Form CT-2210, Underpayment of Estimated Income Tax by Individuals, Trusts, and Estates

Form CT-6251, Connecticut Alternative Minimum Tax Return - Individuals

Schedule CT-1040WH, Connecticut Income Tax Withholding

Schedule CT-IT, Credit Income Tax Credit Summary

(If you are not e-filing this tax year and wish to download any single tax form for a manual return, see the Connecticut state tax website.)

Supported States and Tax Forms

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California Tax Forms Colorado Tax Forms Connecticut Tax Forms

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Iowa Tax Forms Kansas Tax Forms Kentucky Tax Forms

Louisiana Tax Forms Maine Tax Forms Maryland Tax Forms

Massachusetts Tax Forms Michigan Tax Forms Minnesota Tax Forms

Mississippi Tax Forms Missouri Tax Forms Montana Tax Forms

Nebraska Tax Forms New Hampshire Tax Forms New Jersey Tax Forms

New Mexico Tax Forms New York Tax Forms North Carolina Tax Forms

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Oregon Tax Forms Pennsylvania Tax Forms Rhode Island Tax Forms

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West Virginia Tax Forms Wisconsin Tax Forms