Connecticut Supported Business Forms
Desktop · Written guide Content date 1 min read
The Tax Processors Plus Desktop program supports the following Connecticut Business forms.
| Form CT Form 1120 | Corporation Business Tax Return |
| Form CT-1120A | Corporation Apportionment Computation |
| Form CT-1120 ATT | Corporation Business Tax Return Attachment Schedules I, H, and J |
| Form CT-1120 ESA | Estimated Connecticut Corporation Business Tax |
| Form CT-1120 EXT | Application for Extension of Time to File Connecticut Corporation Business Tax Return |
| Form CT-1120K | Business Tax Credit Summary |
| Form CT-1120X (2020 and prior) |
Amended Connecticut Corporation Business Tax Return |
| Form CT-1065/CT-1120SI | Connecticut Pass-Through Entity Tax Return |
| Form CT-1065/CT-1120SI EXT | Application for Extension of Time to File Connecticut Pass-Through Entity Tax Return |
| Schedule CT K-1 | Member’s Share of Certain Connecticut Items |
| Form CT-1041 | Connecticut Income Tax Return for Trusts and Estates |
| Form CT-1041EXT | Application for Extension of Time to File Connecticut Income Tax Return for Trusts and Estates |
| Form CT-1041V | Connecticut Electronic Filing Payment Voucher |
| Schedule CT-1041B | Fiduciary Adjustment Allocation |
| Schedule CT-1041C | Calculation of Connecticut Taxable Income for all Resident Estates and Full Year Resident Trusts |
| Schedule CT-1041FA | Fiduciary Allocation |
| Form DRS-EWVR | Electronic Filing and Payment Waiver Request |
Additional Information: