2025 Printable Template
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Form last updated: 03/2024. Please verify this is the current version before use.
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Follow these simple steps to fill, sign, and send your CT-3 form online.
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Sign the form
Add your electronic signature to the fillable CT-3 form to certify it came directly from you.
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How to fill out a CT-3 online?
Follow these steps to complete your CT-3 form online.
Step 01
Access Form CT-3 from the New York State Department of Taxation and Finance website.
Step 02
Enter your corporation's name, address, and EIN.
Step 03
Fill out the income, deductions, and tax calculation sections accurately.
Step 04
Review the form for any errors.
Step 05
Sign the form as required.
Step 06
Submit the form according to the instructions provided by the New York State Department of Taxation and Finance.
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