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 99(13)

Calculating Annualized Estimated Corporation Business Tax Installments for S Corporations and Worksheet CT-1120S AE

This publication has been superseded by IP 99(13.1)