California 109 2026

1. Click ‘Get Form’ to open the California 109 in the editor.
2. Begin by entering the taxable year at the top of the form. Ensure you specify whether it’s a calendar year or fiscal year.
3. Fill in your corporation or organization name, California corporation number, and FEIN. Provide your street address, city, state, and ZIP code.
4. Indicate if this is your first return by checking 'Yes' or 'No'. Answer other questions regarding audits, final returns, and accounting methods as applicable.
5. Proceed to report unrelated business taxable income on Side 1. Follow the prompts for each line item carefully, ensuring accuracy in calculations.
6. Complete any necessary schedules (A through H) based on your organization's activities and income sources. Attach additional documentation if required.
7. Review all entries for completeness and accuracy before saving or exporting your completed form for submission.

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