Photographs
You can carry the ADIT-stayle photographs (two per person) with you to save time, but make sure they conform with the requirements. If you are taking children along, keep some snacks handy, just in case. There is a cafeteria inside (FYI). I am not sure if any procedures changed recently, but if you have a SSN form filled in and handy, you can walk in next door after the stamping and submit your SSN application at the SSA. (BTW, you also get the appn. forms in the SSA) - HTH.
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This is not legal advice.