If you filed a return for tax year 2018 or did not need to file a tax return for tax year 2018, call us or visit any local Social Security office.
In addition, I need to determine which original documents do I need. What if his citizenship has already been established with Social Security? Do I still need to submit documents?
In this case, you would not need documentation.
Is your reason for obtaining a new card for your son because of a legal name change?