RD=寄件日還是收件日?可能關乎一家人的命運。特提上來大討論

我早在7月20日就對RD是寄件還是收件日期有疑惑，請先了解一下我當時的困惑，7月20日我的原帖在此： 肯定是8月17日為截止日，但問題在於：究竟是寄出截止日還是

七月份移民局的更正通知原文摘錄如下：
USCIS Announces Revised Processing Procedures for
Adjustment of Status Applications
WASHINGTON—U.S. Citizenship and Immigration Services (USCIS) announced that,
beginning immediately, it will accept employment-based applications to adjust status (Form I-
485) filed by aliens whose priority dates are current under the July Visa Bulletin, No. 107.
USCIS will accept applications filed not later than August 17, 2007.
我連托福還沒敢去考，所以請高手們幫忙翻譯最後一句，到底filed not later than 的準確含義是什麽？
除了MPOS和我家，到底還有沒有其他人的寄件日被當作RECEIVED DATE？

所有跟帖： 

• Filed date =/= filled date - 回複：RD=寄件日還是收件日?可能關乎一家人的命運。特提上來大討論 -pjiang- ♀ (83 bytes) () 10/01/2007 postreply 09:20:04

• 如果本壇數百名潛水員都上來冒個泡，正確答案就會有了，目前猜測有兩個結果： -日夜- ♂ (89 bytes) () 10/01/2007 postreply 09:24:19

• 在CIS officer 心裏 -radiology- ♂ (65 bytes) () 10/01/2007 postreply 09:46:12

• MY case: RD = date package reached NSC -thisway- ♂ (0 bytes) () 10/01/2007 postreply 10:29:39