Connecticut residents are urged to continue taking precautions to prevent the spread of COVID-19. Get the facts at ct.gov/coronavirus.
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- Walk-in services at all DRS branch office locations remain suspended.
- Please check our COVID-19 Response
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IP 2011(24), 2011 Federal/State Electronic Filing Handbook
IP 2011(28), Connecticut Income Tax Treatment of State Lottery Winnings Received by Residents and Nonresidents of Connecticut
IP 2011(18), Connecticut Tax Tips for Senior Citizens
IP 2011(22), Paying Connecticut Taxes by Electronic Funds Transfer
2011 Informational Publications
IP 2011(23), A Guide to Calculating Your Annualized Estimated Income Tax Installments and Worksheet CT-1040 AES
IP 2011(8), Connecticut Tax Guide for Payers of Nonpayroll Amounts
IP 2011(27), Connecticut Income Tax Treatment of Gambling Winnings Other Than State Lottery Winnings
IP 2011(26), Estimated Connecticut Income Tax
IP 2011(25), Form W-2 Electronic Filing Requirements