Common questions

Someone who is already a U.S. citizen through a parent and wants proof of it. That covers a child born abroad to a U.S. citizen parent, and a child who became a citizen after birth: a green card holder under 18, living in the U.S. in a citizen parent’s custody. A parent can file for a child under 18.

No. Citizenship through a parent happens by law, and the certificate documents it. A valid U.S. passport is also proof of citizenship.

There is no civics or English test for Form N-600. USCIS may ask you to come to an interview to go over the documents.

USCIS charges a filing fee for Form N-600, paid directly to USCIS. The USCIS fee table lists the current amount.

USCIS fee table