Pass-Through Entity Tax Forms
Prior Year's Pass-Through Entity Forms
Composite Income Tax Forms
| Name | Description | Revised Date |
| CT-1065/CT-1120 SI | 2025 Connecticut Composite Income Tax Return Instructions |
12/2025 |
| CT-1065/CT-1120SI | 2025 Connecticut Composite Income Tax Return | 12/2025 |
| Supplemental Attachment | 2025 CT-1065/CT-1120SI Supplemental Attachment | 12/2025 |
| CT-1065/CT-1120SI EXT | 2025 Application for Extension of Time to File Connecticut Composite Income Tax Return | 12/2025 |
| Schedule CT K-1 |
2025 Member's Share of Certain Connecticut Items - FILLABLE |
12/2025 |
| CT-1127 | Application for Extension of Time for Payment of Income Tax | 12/2025 |
Pass-Through Entity Tax Forms
| CT-PET | 2025 Connecticut Pass-Through Entity Tax Instructions |
12/2025 |
| CT-PET | 2025 Connecticut Pass-Through Entity Tax Return |
12/2025 |
| Supplemental Attachment | 2025 CT-PET Supplemental Attachment | 12/2025 |
| CT-PET EXT | 2025 Application for Extension of Time to File Connecticut Pass-Through Entity Tax Return | 12/2025 |
| CT-PET ES - (Coupon) | 2026 Estimated Connecticut Pass-Through Entity Tax | 01/2026 |
| CT-PET ES - (Coupon) | 2025 Estimated Connecticut Pass-Through Entity Tax | 01/2025 |
| Worksheet CT-2210 PE | Underpayment of Estimated Income Tax by Pass-Through Entities | 12/2025 |
| Schedule CT-PE | Pass-Through Entity Tax Credit | 12/2025 |
| CT-1127 |
Application for Extension of Time for Payment of Income Tax |
12/2025 |