How to ct 3 s 2026

1. Click ‘Get Form’ to open the CT-3-S document in the editor.
2. Begin by entering the tax period at the top of the form, specifying both the beginning and ending dates.
3. Fill in your Employer Identification Number (EIN) and file number, along with your business telephone number.
4. Provide the legal name of your corporation, trade name/DBA, and mailing address if different from the legal name.
5. Complete Part 1 by transferring information from your federal Form 1120S, ensuring accuracy in each line.
6. In Part 2, compute your tax by following instructions for lines regarding New York receipts and any applicable credits.
7. Finally, review all sections for completeness before submitting. Ensure you attach required documents as specified.

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