Ct 1120si 2017 form-2026

1. Click ‘Get Form’ to open the CT-1120SI 2017 form in the editor.
2. Begin by entering the name of the pass-through entity (PE) and its Federal Employer ID Number (FEIN) in the designated fields.
3. Fill in the address details, including number and street, PO Box (if applicable), city, state, and ZIP code.
4. Select the type of PE from the options provided: Electing large partnership, Limited liability partnership, Limited partnership, General partnership, S corporation, or Partnership treated as a partnership.
5. Indicate your request for a five-month extension by selecting the appropriate checkbox and entering any necessary dates for your taxable year.
6. Estimate your Connecticut composite income tax liability for 2017 on Line 3. If no tax is due, enter zero '0'.
7. Complete the declaration section by signing and dating where indicated. Ensure all information is accurate to avoid penalties.

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