Christopher Pyne (Sturt, Liberal Party, Leader of the House) Share this | Hansard source

As the sides changed from no to yes and yes to no and, therefore, members moved, I think that that should be a four-minute bell, because a lot of people are confused about it. This was also a mickey division. Given that the sides changed, we'd usually ring the bells for four minutes, and I request that that be the case.

See this speech in context