It's not retroactive! The law was not passed today! It was there from the beginning. It's just that Apple didn't care until today when they were told to pay. So

It's not retroactive! The law was not passed today! It was there from the beginning. It's just that Apple didn't care until today when they were told to pay. So suddenly they don't want to pay what they own because the 'didn't know' so they call this "retroactive" even if it's very much not retroactive at all.