Stephen Donnelly (Wicklow, Fianna Fail) | Oireachtas source

That is the warning. Now they essentially have to stop immediately and if they do not, they will have committed an offence and may be charged and that is recorded. It will be a bit of a Pyrrhic victory for whoever is trying to do this because they will very quickly be told, "You have to stop and if you don't stop, you'll be charged."