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Ct 1120-2026

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  1. Click ‘Get Form’ to open the CT-1120 in the editor.
  2. Begin by entering the income year at the top of the form. Ensure you input both the beginning and ending dates accurately.
  3. Fill in your corporation's name, Federal Employer ID Number (FEIN), and Connecticut Tax Registration Number. This information is crucial for identification.
  4. Complete Schedule A by calculating your net income. Enter amounts from Schedule D as instructed, ensuring all calculations are accurate.
  5. Proceed to Schedule B to compute minimum tax on capital. Follow the instructions carefully, especially regarding apportionment fractions.
  6. In Schedule C, calculate your total tax based on previous lines. Make sure to include any applicable credits and deductions.
  7. Finally, review all sections for accuracy before submitting electronically through our platform. Remember, this return must be filed electronically!

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