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.

IP 2012(16)

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

 

This publication is available in .pdf format