The status/documents of all aliens must be verified before SSA will assign an SSN and/or issue a card.
The SSA office will try to verify his status through the SAVE system while he is in the office. If they can't, they will send a form G-845 to immigration for manual verification. This could delay the assigning
of an SSN and/or issuing a card for weeks and some times months.
If the SSA office does send the G-845, suggest that he go back to the SSA office no more than once a week with his documents to (1) ask them to check SAVE again (2) ask if they sent a G-845 (3) if yes, did it come
back (4) after 30 days ask if they have followed up on the G-845 by calling or sending another mark "second request."
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http://policy.ssa.gov/poms.nsf/lnx/0100203720RM 00203.720 Verifying Immigration Documents
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http://policy.ssa.gov/poms.nsf/lnx/0100203735RM 00203.735 Requesting Online (Primary) Verification By SAVE
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After having waited at least 30 days and your local SSA office doesn't seem concerned about following up on the G-845 he can try contacting the SSA Regional Office (RO) responsible for your state:
http://www.ssa.gov/pressoffice/natlpocontacts.htmlRefer them to this:
http://policy.ssa.gov/poms.nsf/lnx/0100203740RM 00203.740 Requesting Additional (Manual) Verification By DHS
B. PROCEDURE – HOW TO REQUEST MANUAL VERIFICATION
STEP 6
DHS should respond to SSA within 15 federal work days after receiving the Form G-845. If DHS does not respond within 15 federal work days from the receipt of the G-845 from SSA, follow-up with the DHS, USCIS Immigration Status office. (Allow 15 days plus five additional federal work days of mail time for the G-845 to be received at and returned from DHS.
Follow local practice to follow-up with DHS. Some SSA offices have an arrangement with the DHS, USCIS office to telephone for the follow-up contact; other SSA offices send a copy of the original G-845 annotated “second request.”) If the DHS response is still not received within 15 federal work days after the follow-up contact (if the follow-up is by mail allow five additional federal work days of mail time for the G-845 to be received at and returned from DHS), make a second follow-up contact. If the DHS response is not received within 15 federal workdays (again, if the follow-up is by mail, allow five additional federal work days of mail time for the G-845 to be received at and returned from DHS), after two follow-ups, contact the RO. Also report to the RO any trend that shows a serious deviation by DHS from the above time frames. The RO will consult with central office.