Assuming you don't decide that this is too much hassle (Even if you're not doing anything wrong, it sounds like your client would be. Do you really want to be p

Assuming you don't decide that this is too much hassle (Even if you're not doing anything wrong, it sounds like your client would be. Do you really want to be part of that?) you need to talk to a lawyer who specializes in this sort of law. Seriously though, you don't need this hassle.