去加拿大开会,再回美国会有问题, You need get new H1B visa, probably in China, you need make an appointment in US Embassy in Beijing, Shanghai, etc. It takes several weeks if no need check.
FYI: I went to Canada for a conference with H1B. I got the H1B visa at Beijing before, the visa already expired when attended the conference. At the gate, the officer asked for my I-797, and the whole process took no more than 1 minute. I would recommend talk to the administration people at your institute, their estimation is usually quite good.
Typical. Banks don't want to do a lot of work and then have you end up walking.
c*n
7 楼
Thanks! I do not have a H1B visa (I am in H1B status, I think, because I was a student with F1, and a US company applied H1B for me after I graduated). No one knows anything for my traveling to Canada in my company... But based on the information I got from the internet, I guess I do not have to apply any visa because I have valid I-94 and I-797...
, their
【在 m*******g 的大作中提到】 : FYI: : I went to Canada for a conference with H1B. I got the H1B visa at Beijing : before, the visa already expired when attended the conference. At the gate, : the officer asked for my I-797, and the whole process took no more than 1 : minute. : I would recommend talk to the administration people at your institute, their : estimation is usually quite good.