Originally Posted by talloulou

I'm not sure why you think it's not enforcible. If a woman knows who the father is then he must sign off on any adoption. If she doesn't know who the father is then she must sign something saying she doesn't and isn't capable of finding out. I'd imagine those situations were fairly rare. And if she does sign an affidavit asserting she has no knowledge of the father's whereabouts or how to find him and it's later learned that she was lying she should face some sort of consequences.