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With a heat wave approaching, Connecticut's Extreme Hot Weather Protocol will be activated from Thursday, June 11, until Sunday, June 14. Cooling centers are opening statewide. To find the nearest location, visit www.211ct.org or call 2-1-1. [READ THE UPDATE]

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2022 Corporation Tax Forms

Corporation tax forms
Sales Tax Returns

Sales Tax Returns
DRS Forms

Forms
DRS Forms

Forms
Fraud Prevention Information
Real Estate Conveyance Tax Forms

Form OP-236 series
2023 Corporation Tax Forms

Corporation tax forms
Pre hire/Pre onboarding
Excise Tax Forms
Estate and Gift Tax

Estate and Gift Tax Returns
2025 Prior Year's Estate and Gift Tax

Estate and Gift Tax Returns
Prior Years CT-706/709
2026 Announcements

2026 Announcements
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Taxpayer Education

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New Business Resource Center

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