Waihangahia tētahi putanga matatini ake o tēnei rerenga Ko te ōrau o te mātauranga ki te 30 ōrau.
Ko te tikanga, he putanga matatini ake o te rerenga korero ko "Ko te reanga matauranga kua tata ki te 30% me te whakatupuranga o tenei wa kei te whakawhiwhia ki te maatauranga tuatahi anake".