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Pass Through Entity Tax Forms - CT.gov

Pass Through Entity Tax Forms - CT.gov 2026

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The document is the Form CT-1065/CT-1120SI EXT, an application for a five-month extension to file the Connecticut Composite Income Tax Return for pass-through entities. It outlines the requirements for filing electronically, payment methods, and penalties for late payments or filings. The form must be submitted by April 15, 2017, and does not extend the time to pay any taxes due.

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Click ‘Get Form’ to open the Pass Through Entity Tax Form CT-1065/CT-1120SI EXT in the editor.
Begin by entering the name of the pass-through entity and its Federal Employer ID Number (FEIN) in the designated fields. Ensure accuracy as this information is crucial for processing.
Fill in your Connecticut Tax Registration Number, address, city, state, and ZIP code. Use blue or black ink only if printing.
Select the type of pass-through entity from the options provided, such as Electing Large Partnership or S Corporation.
Indicate your request for a five-month extension by checking the appropriate box and providing any necessary dates for your taxable year.
Complete Line 3 with an estimate of your Connecticut composite income tax liability. If no tax is due, enter zero '0'.
Sign and date the form at the bottom, ensuring that all required fields are filled out before submitting electronically through our platform.

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Versions	Form popularity	Fillable & printable
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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Do pass-through entities have to file tax returns?

Pass-through taxation means that an LLC doesnt file a corporate income tax return with the IRS. Instead, once an LLC has paid its expenses and debts, the LLC owners or members pay tax on any remaining revenue.

Is pass-through entity tax a good idea?

The key advantages include: Double taxation. Pass-through entities avoid double taxation, meaning owners are taxed just once. The corporate income is reported on the owners individual income tax return and taxed at the individual income tax rate.

How to elect CT pass-through entity tax?

Starting with taxable years commencing on and after January 1, 2024, any entity that elects to pay such tax must give the Commissioner of Revenue Services written notice for each tax year it makes the election and must do so no later than the due date (or extended due date) for filing the return.

Where can I get CT tax forms?

Request a U.S. mailed copy of a CONNECTICUT TAX FORM from the CT DRS: Click here. You can also call the CT DRS, Monday - Friday, 8:30 a.m. - 4:30 p.m. at 860-297-5962 to order forms by U.S. mail.

Pass Through Entity Tax Forms - CT.gov 2026

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Pass Through Entity Tax Forms - CT.gov 2026

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See more Pass Through Entity Tax Forms - CT.gov versions

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Do pass-through entities have to file tax returns?

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Where can I get CT tax forms?

Security and compliance

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