Form 100s 2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by entering the taxable year at the top of the form. Ensure you select either calendar year or fiscal year as applicable.
3. Fill in your corporation's name, California corporation number, and FEIN in the designated fields. If applicable, include your Secretary of State file number and address details.
4. Proceed to Schedule Q. Answer questions regarding final returns and any income deferrals by checking the appropriate boxes and providing dates where required.
5. Complete sections on state adjustments, detailing ordinary income, deductions, and tax credits as prompted. Attach any necessary schedules for additional information.
6. Finally, review all entries for accuracy before signing and submitting your form electronically through our platform.

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