Connecticut State Department of Revenue Services

Holiday Closure: The Department of Revenue Services will be closed on Wednesday, December 25th, a state holiday.

Upcoming CT DRS webinar: Select to register for the upcoming Withholding Forms W-2 and 1099 Annual Filing Webinar on Wednesday, January 15, 2025, at 10:00 a.m.

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

IP 2011(26)

Estimated Connecticut Income Taxes

This publication is available in .pdf format

This publication has been superseded by IP 2018(16)