回複：一年有效是你未交前,交後永不過期, see:

來源: 於 2006-07-28 15:29:09 [舊帖] [給我悄悄話] 本文已被閱讀：次

http://www.kkeane.com/aos-faq.shtml

How long is the I-693 valid?
The I-693 expires after one year, if you have not filed it with USCIS. It does not expire any more after filing, regardless of how long USCIS takes to process your case.