Instructions for N-644, Application Department of Homeland 2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by filling out Part I of Form N-644. Ensure you type or print legibly in black ink. If you need more space, attach a continuation sheet and indicate the item number.
3. Answer all questions fully and accurately. Use 'N/A' for items that do not apply and write 'none' if there are no applicable answers.
4. Gather necessary documentation, including proof of the decedent's military service and death, such as Form DD214 or DD1300.
5. If applicable, obtain authorization from living next-of-kin if you are not the spouse or executor of the estate.
6. Submit your completed form to the USCIS California Service Center at the specified address. Remember, there is no filing fee for this application.

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