13545: CT - CT-1065 and CT-1120SI e-File Mandate-2026

1. Click ‘Get Form’ to open the 13545: CT - CT-1065 and CT-1120SI e-File Mandate 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, street, city, state, and ZIP code. Ensure accuracy to avoid processing delays.
4. Select the type of PE from the options provided: LLP, LP, GP, S corporation, or LLC treated as a partnership.
5. Indicate your request for a six-month extension by filling in the relevant dates for filing and furnishing Schedule CT K-1.
6. Complete Lines 1 through 3 with your estimated tax liability and payments made. Ensure that Line 3 reflects any amount due accurately.
7. Sign and date the form where indicated. If applicable, include the paid preparer’s information.

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