What documents are required to file H1b?

I have been approached by a company to file my H1B. I have submitted my educational and professional documents with them. They say that my H1b filling process has started. But i am confused if thats enough. I have not provided them any photographs, or signed any document .

How do i make sure that my application has been sent to USICS and processing has started.



Lottery is over on Apr 7.

Your lawyer will be notified of receipt number if selected by lottery in

1 week if premium

2-4 weeks if regular.

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