You will understand after reading USCIS explaination on LUD ...

Note on "Last Updated" date:
Your case may have a new "Last Updated" date and you may receive an Email Notification of your case being updated, without the status of the case changing. This is due to internal USCIS processing being performed on your Case. This will be reflected in the "Last Updated" date, but may not result in a different status message

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• 回复：You will understand after reading USCIS explaination on LUD . -MPOS- ♂ (181 bytes) () 07/28/2007 postreply 19:38:16

• I suppose that USCIS officials need to verify our I-140 approval -FuRongLi- ♂ (60 bytes) () 07/28/2007 postreply 19:44:40

• 这想法有道理 -toosad- ♀ (0 bytes) () 07/28/2007 postreply 19:50:25

• but why last sunday, Jul 22nd............回复：I suppose that USCIS -MPOS- ♂ (0 bytes) () 07/28/2007 postreply 19:52:49

• 回复： -谢谢回答- ♀ (171 bytes) () 07/28/2007 postreply 19:56:28

• 回复：回复： -MPOS- ♂ (338 bytes) () 07/28/2007 postreply 20:07:57

• 回复：回复：回复： -谢谢回答- ♀ (148 bytes) () 07/28/2007 postreply 20:11:41

• 回复：回复：回复：回复： -MPOS- ♂ (300 bytes) () 07/28/2007 postreply 20:18:53