539 is used for this purpose

來源: mytwocents 於 2006-01-09 07:43:51 [] [舊帖] [給我悄悄話] 閱讀數 : (73 bytes)
回答: File 539. 由 mytwocents 於 2006-01-09 07:12:08

check out http://uscis.gov/graphics/howdoi/nonimmstat.htm
F is there.

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