Connecticut State Department of Revenue Services

DRS will be holding a webinar on Wednesday, May 14, 2025, at 10:00 a.m.  This session will provide an overview of the sales and use tax requirements pertaining to swimming pool installation, repair, cleaning and maintenance services.  Select here to register.

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

IP 99(13.1)

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

Note: this publication is available only in pdf format