It was all about the detail as the Committee of the Whole House pulled apart a bill on paid parental leave.
This stage usually comes after a bill has returned from consideration by Select Committee.
But the Parental Leave and Employment Protection Amendment Bill was put through its first and second reading under urgency which also meant it bypassed the Select Committee stage.
Before it can have its third and final reading, the bill is examined by the Committee of the Whole House and MPs have the chance to suggest changes in the form of a Supplementary Order Paper (SOP).
Phil Smith took a look at how these changes can be put forward.