Application for a Social Security Card (Form SS-5)
The "Application For A Social Security Card" (Form SS-5) is the form to be completed if you have never had a
number before or need a duplicate or corrected card.
I-539 Form for Application to Extend / Change Nonimmigrant Status
You should use this form if you are a nonimmigrant and wish to apply to U.S. Citizenship and Immigration
Services (USCIS) for an extension of stay or a change to another nonimmigrant status.
I-539 Instructions for Application to Extend / Change Nonimmigrant Status
Read these instructions carefully to properly complete Form I-539.
IRS Form 843 Claim for Refund and Request for Abatement
Use Form 843 only if your employer refuses to refund Social Security taxes withheld in error.