DRS: CT-1120 EXT

 
Form CT-1120 EXT, Application for Extension of Time to File Corporation Business Tax Return. To get an extension of time to file the annual return, the corporation must file Form CT-1120 EXT, Application for Extension of Time to File Corporation Business Tax Return, not later than the first day of the month following the due date of the corporationís corresponding federal income tax return for the income year (May 1 for calendar year taxpayers). Form CT-1120 EXT must be filed and paid electronically. To apply for a waiver from the electronic fi ling and payment requirement, complete Form DRS-EWVR. Payment of the total tax due must be included with the request. The timely filing of Form CT-1120 EXT will automatically extend the due date for six months (seven months for June 30 year end filers). To find the form or further instructions, click here.

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Connecticut business taxpayers can electronically file most Connecticut business tax returns using the Taxpayer Service Center (TSC-BUS). The TSC is an interactive tool that provides a free, fast, easy, and secure way to conduct business with DRS. Click here for more information.