I wouldn't worry about putting in those words. I don't think it's helpful in solving the problem you're talking about. The problem for me is this: I think the bill quite correctly tells the chief statistician, “You will do this. However, the government can send you a directive”. My focus was when the government sends a directive—and it should be able to send a directive—it would be under exceptional circumstances.
On April 6th, 2017. See this statement in context.