It is very simple. Do not worry about it. You will be given one when you are on the plane. As a new immigrant many part are not applicable to you.
-1000yearssolitude(bifocals);
2001-4-28(#56469@0)
Even this is not necessary, because most of the time you will not be checked in your first time ( I heard this from a friend having board contact), so bring as many as pirated CDs as possible. Otherwise
-1000yearssolitude(bifocals);
2001-4-28{191}(#56488@0)
you will lose the chance because you will be checked the second time. Of course you will have to prepare a list of Goods to Follow, but not list of what you bring along. Have a smooth jouney!