CompUSA via Amazon有16G的IDE SSD# Hardware - 计算机硬件
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I am planning to attend a conference in Cancun (Mexico) for about one-
week in the middle of June.
I came to the United Stated since August 2002, since then I was on F-1 visa
(Ph.D. student) until the end of December 2007. After that, I had a brief
OPT period and then started H1-b in 2008.
Currently, I have a valid H1-b until 2016. But I do not have a valid H1-b
visa
stamp on my passport.
My last valid visa stamp was issued on May 2007 (F-1 visa category) (in
China).
Since then, I have not traveled anywhere outside the United Staes.
I am planning to go to Tijuana airport from San Diego border and take
flights from there.
I want to use Automatic Visa Revalidation (AVR) to reentry U.S.
I have one particular question, if anyone can help me with the answer.
On the description, it says "To take advantage of AVR your travel must be to
contiguous/adjacent entities for less than 30 days."
Since I should NOT surrender my I-94 when I leave U.S. How could I correctly
document the date when I departure U.S.?
When I return the CBP port in Tijuana, how can I give evident to the officer
that I visit Cancun (Mexico) for fewer than 30 days?
Maybe a letter from my department to describe the length of my conference?
Is it sufficient?
Thank you very much!
week in the middle of June.
I came to the United Stated since August 2002, since then I was on F-1 visa
(Ph.D. student) until the end of December 2007. After that, I had a brief
OPT period and then started H1-b in 2008.
Currently, I have a valid H1-b until 2016. But I do not have a valid H1-b
visa
stamp on my passport.
My last valid visa stamp was issued on May 2007 (F-1 visa category) (in
China).
Since then, I have not traveled anywhere outside the United Staes.
I am planning to go to Tijuana airport from San Diego border and take
flights from there.
I want to use Automatic Visa Revalidation (AVR) to reentry U.S.
I have one particular question, if anyone can help me with the answer.
On the description, it says "To take advantage of AVR your travel must be to
contiguous/adjacent entities for less than 30 days."
Since I should NOT surrender my I-94 when I leave U.S. How could I correctly
document the date when I departure U.S.?
When I return the CBP port in Tijuana, how can I give evident to the officer
that I visit Cancun (Mexico) for fewer than 30 days?
Maybe a letter from my department to describe the length of my conference?
Is it sufficient?
Thank you very much!
