Original Card for a Noncitizen Adult 
In general , only noncitizens who have permission to work from the Department of Homeland Security DHS can apply for a Social Security number. If you do not have permission to work but need a Social Security number for other purposes , see " If you do not have permission to work " for further information. Important You must present original documents or copies certified by the agency that issued them. We cannot accept photocopies or notarized copies. All documents must be current not expired. We cannot accept a receipt showing you applied for the document. 

What original documents do I need? 
Immigration Status To prove your U.S. immigration status , you must show us your current U.S. immigration document, such as : Form I-551 Lawful Permanent Resident Card, Machine Readable Immigrant Visa with your unexpired foreign passport ; I-766 Employment Authorization Document, EAD, work permit ; or I-94 Arrival / Departure Record or admission stamp in the unexpired foreign passport. If you are an F-1 or M-1 student , you also must show us your I-20 Certificate of Eligibility for Nonimmigrant Student Status. If you are a J-1 or J-2 exchange visitor , you must show us your DS-2019 Certificate of Eligibility for Exchange Visitor Status. Work Eligibility In general , only noncitizens who have permission to work from DHS can apply for a Social Security number. If you are a foreign worker , we only need to see your I-94 Arrival / Departure Record or admission stamp in the unexpired foreign passport showing a class of admission permitting work. Some foreign workers must show their I-766 Employment Authorization Document, EAD, work permit from DHS. Student : If you are an F-1 student and eligible to work on campus , you must provide a letter from your designated school official that : Identifies you ; Confirms your current school status ; and Identifies your employer and the type of work you are, or will be, doing. We also need to see evidenc

user: Hi, how you doing. Please i want to know about application to SSN for non citizen. It is possible?

assistant: It is possible, indeed, but only those non citizens who have work permits from DHS or Homeland Security, can apply.

assistant: I assume you don't have a DHS work permit but need a SSN?

user: Yes, i don't have a work permit but i'm in need of a SSN.

assistant: Well, being that the case, you'll need to look for more information. you can search under "If you don't have permission to work" section in our printed information.

user: Ok, i'll have to look at it. Please, another question. I have a relative who is a student, a international one. What documents does he need to get a SSN?

assistant: Given he's an international student, then he must provide a letter from his sponsor, with an original signature that authorizes his employment. 

user: That's great, i'll make sure to tell him. Please, i want to know what could happen if somebody who got its SSN for non working purposes, uses instead to work?

assistant: Obviusly, that would be a violation. We would have to inform DHS about the situation.

user: Right, right, so obvious, huh?. Look , something about students again. A Friend's daughter is coming and she is going to be in a curricular practical training. what she need?

assistant: Well, if she is going to be in a CPT, then she must provide form I-20 with its employment page completed and signed by her designated school official.