Connecticut State Department of Revenue Services

Walk-in services at all DRS branch office locations remain suspended. Email DRS at drs@po.state.ct.us. Email the Priority One Taxpayer Assistance Program: DRSPriorityOne_CollectionsAssist@po.state.ct.us. Please check our Frequently Asked Questions page.

IP 2012(16)

A Guide to Calculating Your Annualized Estimated Income Tax Installments and Worksheet CT-1040 AES

 

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