for Immigration status?
want to test your child's immigration status in the United States?
no
that could reduce the amount of my child's benefits?
Prevent your child's wages from being properly recorded in your child's Social Security record, which can reduce the amount of your child's future Social Security benefits.
Which immigration documents are acceptable?
Among the documents are I-766 Employment Authorization Document, EAD, DHS Work Permit.
What do I do if I don't have one of these specific documents?
Do you have the Employee Identification Card?
yes
then you can prove your identity with the US Passport.
and if the document is expired?