There may be 101 reasons why they may or may not wish to advertise their numbers. It's their business. It could be tactical. Who knows. The point is not WHY they dont wish to say. The point is they are not required to. So If you ask and they decline. What do you do?
Ping them? If so which law?
Back down and have your authority undermined?
Why make a rod for your own back?
is that really why you wouldn't ever ask ? in case they refused to tell you?
- It's such a slight danger, I think that's a rather fearful way to ref.
- I can only conceive of it happening in a game where the ref and the team were already in quite serious conflict. In that situation, if all co-operration/trust has gone already I agree it would be unwise to ask.