They tried to pass a similar measure several months ago. I will repost what I posted then. All the priests have to do is to make sure that the penitent’s right to an anonymous confession is met. Then they can comply with the law thusly:
Priest to police: I need to report that someone confessed to me that he or she had inappropriate contact with a child.
Police: what is this abuser’s name?
Priest: we don’t ask for names in the Confessional
Police: was this one of your parishioners?
Priest: I don’t know.
Police: didn’t you recognize him?
Police: Can you give us a description?
Priest: I only saw him through a screen.
Police: well, when did the abuse happen?
Priest: he didn’t say
Police: when did the Confession happen?
Priest: I hear Confessions every Saturday afternoon