Receipt Date, Notice date and Filing Date?

I filed my I-485 on July 24 to NSC and got the receipt today(August 29) (The receipt notice is at the company lawyer's hand). However, the online status days " On August 23, 2007, we received this I485 APPLICATION TO REGISTER PERMANENT RESIDENCE OR TO ADJUST STATUS, ...".

My questions are:

(1) What's the receipt date?
(2) what is the notice date (August 23rd?)
(3) what is the filing date ( is AC21 180 day changing job rule based on the filing date?)

Thanks

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• 回复：Receipt Date, Notice date and Filing Date? -pjiang- ♀ (172 bytes) () 08/29/2007 postreply 12:01:07