Connecticut State Department of Revenue Services

WEBINAR: Next up in the Summer Series of Sales and Use Tax Webinars, DRS will be holding a webinar on Wednesday, July 16, 2025, at 10:00 a.m.  This session will provide an overview of the sales and use tax requirements pertaining to Janitorial Services and Maintenance Services. Select here to register.

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

IP 99(12)

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

This publication has been replaced by IP 99(12.1)