@nepia I think it's debatable - seems the infringement would be the scrum half making the opposition think the ball is out of the scrum when it's not. However, if the number 8 picks it up at the same time then I guess there's no infringement.
Who's the laws nerd around here? A ref? Maybe they can offer some insight?
Its been illegal since 1992.
Its probably one that can be removed now though, as refs now coach throughout the match, they could politely tell the defenders get back onside. No 1976 Whangarei repeat.