I'm not sure I would use the word “requirement”. If it's a constitutional question, the constitutional lawyers are better qualified to comment on that than I am. I've heard the words “constitutional architecture” tossed around more recently and that goes in circles, and no one is quite sure what that means, including me. Whether the court would pick up a concept like that and use it to express an opinion, I'm just not sure.
We've only had three referendums in our entire history: two of them have been on public policy questions, and one of them has been on a constitutional proposal—