請問我可以填寫e-Notification of Application/Petition Acceptance嗎

我填寫了I-140和I-907表,然後看到這個表e-Notification of Application/Petition Acceptance,但是我發現這個表開始時候說明
What is the purpose of this form?中的說明
This service is available for applications filed at a USCIS lockbox facility.

對於這句話我很迷惑,在看I-140和I-907填寫說明中,反複強調不要filed at a USCIS lockbox facility。這裏卻相反,我想請教,我可以通過填這個表來收郵件,從而獲悉我的case的進程嗎?

所有跟帖: 

Yes. -863211- 給 863211 發送悄悄話 863211 的博客首頁 (0 bytes) () 01/16/2015 postreply 14:25:01

Thank you -oucruiser- 給 oucruiser 發送悄悄話 (9 bytes) () 01/16/2015 postreply 14:49:04

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