Stay informed about coronavirus (COVID-19): Connecticut residents are urged to continue taking precautions to prevent the spread of COVID-19. For the latest information, visit ct.gov/coronavirus.
-Walk-in services at all DRS branch office locations remain suspended.
-Email the Priority One Taxpayer Assistance Program: DRSPriorityOne_CollectionsAssist@po.state.ct.us.
-Please check our
Frequently Asked Questions page.
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IP 2009(35), Estimated Connecticut Income Taxes
IP 2009(20), Federal/State Electronic Filing Handbook
IP 2009(30), A Guide to Calculating Your Annualized Estimated Income Tax Installments and Worksheet CT-1040 AES
IP 2009(15), Notice to Retailers on Sales and Use Tax Resale Certificates
IP 2009(26), A Guide for Filers of Multiple Form CT-1041ES
IP 2009(37.1), 2009 Connecticut Income Tax Changes Affecting Withholding Requirements and the 2009 Fourth Quarter Estimated Payment
IP 2009(25), Personal Taxes
IP 2009(18), Form W-2 Electronic Filing Requirements
IP 2009(38), Connecticut Income Tax Treatment of State Lottery Winnings Received by Residents and Nonresidents of Connecticut
IP 2009(14), Fisherman's Guide to Sales and Use Taxes and Estimated Income Tax
IP 2009(7), Is My Connecticut Withholding Correct?
IP 2009(11), Unlawful Advertisements Referring to Sales Tax
IP 2009(36), Connecticut Income Tax Treatment of Gambling Winnings Other Than State Lottery Winnings
IP 2009(21), Connecticut Income Tax Information for Armed Forces Personnel and Veterans
IP 2009(12), Q & A on the 2009 Connecticut Tax Amnesty Program