Connecticut State Department of Revenue Services

Upcoming CT DRS webinar: Select to register for the upcoming Withholding Forms W-2 and 1099 Annual Filing Webinar on Wednesday, December 4, 2024, at 10:00 a.m.

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

IP 99(12.1)

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

This publication has been superseded by IP 2003(37)