Connecticut Corporations Form Availability
Print
E-file
Form CT-1120I, Computation of Interest Due on Underpayment of Estimated Tax
available
unsupported
Form CT-1120 ES, Estimate Corporation Business Tax
available
available
Form CT-1120K, Business Tax Credit Summary
available
available
Form CT-1120, Corporation Business Tax Return
available
available
Form CT-1120 ATT, Corporation Business Tax Return, Sch H, I, and J
available
available
Form CT-1120 EXT, Application for Extension of Time to File Corporation Business Tax Return
available
available
Form CT-1120A, Corporation Business Tax Return, Apportionment Computation
available
available
Form CT-1120AB, Summary of Add Back and Exceptions to Add Back of Interest and Intangible Expenses
available
unsupported
Form CT-1120PE, Pass-Through Entity Tax Credit
available
available