480.20 (AI) 06.21. 480.20 (AI) 06.21 2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by entering the Taxable Year at the top of the form, specifying whether it is a calendar year or fiscal year.
3. Fill in your Taxpayer’s Name and Employer Identification Number in the designated fields.
4. Complete Part I by detailing your income sources, including operating income, interests, and any miscellaneous income.
5. In Part II, list all deductions that apply to your situation, ensuring you follow the instructions for each line item.
6. Proceed to calculate your Net Taxable Income by subtracting total deductions from total income as indicated in Part III.
7. Finally, review all entries for accuracy before signing and dating the form at the bottom.

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