Include this three-page form with Ohio form IT 1040-2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by entering your taxpayer name and SSN/FEIN at the top of the form. Ensure accuracy as this information is crucial for identification.
3. In Part I, report your business income before deductions. Fill in each line carefully, starting with self-employment income and guaranteed payments from pass-through entities.
4. Proceed to deductions in Part I, section B. Enter any applicable deductions such as Keogh deductions and self-employed health insurance.
5. Calculate your net business income in Part I, section C. Subtract total deductions from total business income.
6. Move to Part II for apportionment calculations. Follow the instructions closely to determine your Ohio apportionment ratio based on property, payroll, and sales.
7. Complete Part III for nonbusiness income and deductions. Report wages, interest, dividends, and other relevant income accurately.
8. Finally, summarize all business and nonbusiness income in Part IV. Ensure totals are correct before submission.

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