To prevent any 2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by entering your organization's name and address at the top of the form. Ensure that you check the box for any changes in mailing address if applicable.
3. Fill in the required information, including the beginning and ending dates of your income year, Connecticut Tax Registration Number, and FEIN.
4. Indicate whether this is an initial return, amended return, or final return by checking the appropriate boxes.
5. Complete the computation of tax section by entering your unrelated business taxable income and any applicable deductions as instructed.
6. If claiming a refund or credit for overpayment, ensure to fill out that section accurately to avoid delays.
7. Finally, sign the form where indicated. If a paid preparer is involved, they must also sign and provide their identification numbers.

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