Originally Posted by
fuego
I think it can be a combo of what you and John both said. But all things being equal, that means the parent isn't objecting and interfering, nobody is going to sue us, the parent isn't around, etc, etc, etc, you don't need a parent's 'permission' to cast out a devil out of a child. I wasn't answering the question with all these caveats and qualifying comments in mind.
You're not guaranteed protection from authorities, etc, just because it was God's will for it to be cast out. See Paul and Silas after they cast python out of the woman. Obeying God can get you in trouble legally. It's just a part of obeying God sometimes. We don't operate in fear and being afraid of the consequences when we obey God.