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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How to fill out a CT-2210 online?
Follow these steps to complete your CT-2210 form online.
Step 01
Access the form from the Connecticut Department of Revenue Services website.
Step 02
Fill in all required personal and tax information accurately.
Step 03
Use the form instructions to calculate any penalties for underpayment.
Step 04
Review the completed form for accuracy.
Step 05
Attach the form to your Connecticut income tax return if required.
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