oh my I really don't because I ask my co workers before and the tell another thing.but anything I will do as you say it's very very big help for me thank you very much.
hi thanks for your advice 1 more question my work permit was expired last March 8 and my non b visa will expired on may 12.what I'm going to do with my work permit I still need to go there and cancel it even though it's expired already?