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How to use or fill out ct 1120si with our platform
- Click ‘Get Form’ to open the ct 1120si in the editor.
- Begin by entering the name of your pass-through entity and its Federal Employer ID Number (FEIN) in the designated fields.
- Fill in your Connecticut Tax Registration Number, address, city, state, and ZIP code accurately to ensure proper processing.
- Select the type of pass-through entity from the options provided, such as Limited Liability Partnership (LLP) or S Corporation.
- Indicate if you are requesting a six-month extension by checking the appropriate box and providing any necessary dates for your taxable year.
- Complete Lines 1 through 3 with your estimated tax liability and payments made. Ensure that Line 3 reflects any amount due with this form.
- Sign and date the form where indicated, ensuring that all information is accurate before submission.
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| Versions | Form popularity | Fillable & printable |
|---|---|---|
| 2025 | 4.9 Satisfied (28 Votes) | |
| 2022 | 4.4 Satisfied (46 Votes) | |
| 2021 | 4.9 Satisfied (33 Votes) | |
| 2020 | 4.4 Satisfied (101 Votes) | |
| 2019 | 4 Satisfied (70 Votes) | |
| 2018 | 4.4 Satisfied (61 Votes) | |
| 2017 | 4.3 Satisfied (92 Votes) | |
| 2016 | 4.3 Satisfied (39 Votes) | |
| 2015 | 4 Satisfied (49 Votes) | |
| 2014 | 4 Satisfied (47 Votes) | |
| 2013 | 4 Satisfied (55 Votes) | |
| 2012 | 4 Satisfied (28 Votes) |
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