Several Thoery on this issue so far.

來源: 於 2007-07-30 08:03:53 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

So far, there are several theory on this update:
1. system maintenance
2. data entry begins
3. check I-140 status before 485 process
4. randomly update