On a point of order: I do not wish to reflect on the chair at all, but standing order 86(a) says:

A Member may raise a point of order with the Speaker at any time. After the question of order has been stated to the Speaker by the Member rising ...

Clearly, the member for North Sydney just stood and said, ‘I have a point of order,’ and you sat him down. I think it is fair to say that you need to hear the point of order stated before you can sit a member down.