Is this the twilight zone. If the cities don't have any suitable office, set one up. Did that not cross your mind?? They haven't a choice if the government want to tag them, why should it bother the asylum seekers? They'll be in a safe place with their "American" friends.
Maybe you should have them tattooed in addition to the GPS chip or whatever. Then we could sent the citizen militias after them and shoot them on sight like in the "good old days".