Note the issue --they differentiate(not exactly but---) between citizens .
Here they mention/maintain/retreive/provide info'about--- 'naturalized citizens 'aslo.
'PURPOSE(S):
This system of records is used to provide immigration status information to federal, state, and local government agencies for immigrants ***and naturalized U.S. citizens ***applying for federal, state, and local public benefits. It is also used to provide employment authorization information to employers participating in an employment verification pilot program......'