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.

This information is not current and is being provided for reference purposes only

IP 2009(30)

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

This publication is available in pdf format

This publication has been superseded by IP 2010(28)