Follow the steps to complete the form accurately.

1. Click ‘Get Form’ button to obtain the form and open it in the editor.
2. Enter your personal information, including your first and last name along with your social security number in the designated boxes. If filing jointly, also include your partner's details.
3. Provide your mailing address accurately. Ensure you include your city, state, and ZIP code.
4. Mark your filing status by placing an 'X' in the correct box. Options include single, married filing jointly, married filing separately, head of household, and qualifying widow(er).
5. If your return is a result of federal audit changes, respond to the related questions in section (E). Follow the prompts to provide the necessary details.
6. In Part I, provide information for amending your New York return. Include your federal adjusted gross income and follow instructions for adjustments specific to New York.
7. Complete the tax calculations by filling in the tax credits and deductions as outlined. Ensure all entries reflect the adjustments made.
8. In Part II, if applicable, provide details for any partnership or S corporation adjustments, including their name and principal business activity.
9. In Part III, list any federal adjustments and provide detailed descriptions for each change. Include any relevant schedules or explanations as necessary.
10. Review all information entered for accuracy. Once completed, you can save changes, download, print, or share the amended return online.

Begin completing your Form IT-201-X online today to ensure a smooth filing process.