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 2010(21), Corporation Business Tax Application to Real Estate Investment Trusts (REITs) and Owners of REITs
IP 2010(13), Guide to Connecticut Business Tax Credits
IP 2010(8), Connecticut Tax Guide for Payers of Nonpayroll Amounts
IP 2010(18), Connecticut Voluntary Disclosure Program
IP 2010(25), Personal Taxes
IP 2010(29.1), Q & A on Economic Nexus
IP 2010(7), Is My Connecticut Withholding Correct?
IP 2010(19), Federal/State Electronic Filing Handbook
IP 2010(11), Forms 1099-R, 1099-MISC, and W-2G Electronic Filing Requirements for Tax Year 2010
IP 2010(17), Paying Connecticut Taxes by Electronic Funds Transfer
IP 2010(16), Farmer's Guide to Sales and Use Taxes, Motor Vehicle Fuels Tax, Estimated Income Tax, and Withholding Tax
IP 2010(22), The Connecticut Neighborhood Assistance Act Tax Credit Program
IP 2010(27), Estimated Connecticut Income Taxes
IP 2010(12), Form W-2 Electronic Filing Requirements for Tax Year 2010
IP 2010(28), A Guide to Calculating Your Annualized Estimated Income Tax Installments and Worksheet CT-1040 AES