There are always some insightful blogs to be found when considering Law in NZ from David Farrar on his blog, found at kiwiblog.co.nz. On this particular issue, his posts on the Use of Urgency by the National Government are particularly relevant to the cause we are campaigning for.
"Use of Urgency" by David Farrar - http://www.kiwiblog.co.nz/2011/04/use_of_urgency.html