Decline to sign rather than veto as such. Those are indeed formal powers the crown has, but in practice, they are used strictly in accordance with convention,

Decline to sign rather than veto as such. Those are indeed formal powers the crown has, but in practice, they are used strictly in accordance with convention, rather than at the queen's discretion. The crown is a sort of legal machine which operates through the physical body of whoever the monarch happens to be at the time. It would be much better if all that was properly set down in law, but in practice, it works smoothly enough that nobody has bothered. Except in Australia: https://en.wikipedia.org/wiki/1975_Australian_constitutional_crisis https://en.wikipedia.org/wiki/1975_Australian_constitutional...