请问我可以填写e-Notification of Application/Petition Acceptance吗

我填写了I-140和I-907表,然后看到这个表e-Notification of Application/Petition Acceptance,但是我发现这个表开始时候说明
What is the purpose of this form?中的说明
This service is available for applications filed at a USCIS lockbox facility.

对于这句话我很迷惑,在看I-140和I-907填写说明中,反复强调不要filed at a USCIS lockbox facility。这里却相反,我想请教,我可以通过填这个表来收邮件,从而获悉我的case的进程吗?

所有跟帖: 

Yes. -863211- 给 863211 发送悄悄话 863211 的博客首页 (0 bytes) () 01/16/2015 postreply 14:25:01

Thank you -oucruiser- 给 oucruiser 发送悄悄话 (9 bytes) () 01/16/2015 postreply 14:49:04

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