Form IT-370 Application for Automatic Six-Month Extension of Time to File for Individuals Tax Year 2 2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by entering your full Social Security number (SSN) and, if applicable, your spouse’s SSN for joint returns.
3. Fill in your first name, middle initial, and last name. Repeat this for your spouse if filing jointly.
4. If you have a special condition code, enter the 2-character code in the designated field.
5. Mark an X in the boxes corresponding to each tax type you are subject to: NYS tax, NYC tax, or Yonkers tax.
6. Complete your mailing address including street number, city, state, and ZIP code. Don’t forget to include your email address.
7. On the back of the form, ensure that any payment options are filled out correctly if applicable. Remember that full payment must be made by check or money order.
8. If using a paid preparer, ensure they complete their section fully including signature and registration details.

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