You must prove your immigrations status with an original document
How do I prove my status?
You must show current immigration documents  such as Form l-551 lawful permanent resident card or employment authorization document, work permit
As a foreign worker, do I need any other documentation?
Yes. We will need to see your I-94 Arrival/Departure Record or admission stamp in your unexpired foreign passport showing that you have permission to work.
What happens if I use my Tax ID number for work without permission to do so?
In this case, we would need to inform DHS and they would carry out the matter.
Am I able to get general assistance benefits without providing a SSN?