I think they could well have problems entering the US whilst an application for residency is underway. The Officer at the entry point would probably feel they are not going to leave. Furthermore there is no guarantee they'd be successful in the residency application.
I think you need to liaise with the US Embassy and also an Immigration lawyer who is a specialist on US immigration issues. I would certainly not risk just pitching up on the day. Sorry.
Although I've never been a green card holder, I have held work visas (L-1) for the US and rules are tight and not to be messed with.
Last edited by sunrisegirl; May 21, 2008 at 4:20 am