Absolutely correct, dayglored!
Actually, in her shoes, I'd refuse my signature - and then tender my resignation. I think that that would be the only consistent action possible.
Well, yes, except for the course of civil disobedience. In this instance, I support her right to object and try to overturn the law which she finds unsupportable.
She'll most likely lose that fight, and lose her job. But I applaud her fortitude in making a show of it, against a huge army.
You know that drawing of the hawk descending upon a mouse, talons out and ready, and the mouse looks up and gives the bird the finger? I think there's a parallel here. Although I'm sure the clerk is too polite a lady to actually give anybody the finger! :)