As soon as the PM wants to call one, I think. Elections have to be held at least once every four years, but I'm not aware of a "cooling off" period or lower bound. Would most likely be called as soon as there's an inevitable crisis (e.g. inability to pass a budget).
As soon as the PM wants to call one, I think. Elections have to be held at least once every four years, but I'm not aware of a "cooling off" period or lower bound. Would most likely be called as soon as there's an inevitable crisis (e.g. inability to pass a budget).