Documentation for I-539.

ravik_22

Registered Users (C)
Hi,
I filed the I-539 form electronically for my mother. In the documentation, I see I-94 and copies of passport are required. I read from other posts that we need to also send a letter why we are applying for extension and also a copy of the return ticket.

Are these required? If so, is there any other documentation which we need to send other than these four.

What would be the best way to get the format of the letter?

Any help is greatly appreciated.

Thanks.
 
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