Sounds a lot like our own dangerous dogs act. I hope it doesn't work in the same way. For example, in the uk, it doesn't matter if you can prove that the parrents are kc reg staffy's, if the pup looks type, it is conciddered to be, and will be siezed if found. It is then up to the owner to fight for their dog.
I'm getting sick of idiots introducing bsl, which, in the end doesn't work. They should be dealing with idiot owners, not banning breeds or types.