Please follow the below instructions (This does not happen automatically)
To find out which GST Basis you are on please click - Setup - Options - GST Setup
GST period spans the September-October GST period ends on 30th September
Payments basis GST spans September-October Payments basis GST period ends 30th September Invoice basis GST period spans September-October Invoice basis GST period ends 30th September
NZ GST Rate Change- Further Help Documents Below.
Click here to - Work out if you need to account for a supply in the GST rate change adjustment
IRD GST Transitional Form October 2010 - Advice over GST rate change
GST Advisory Panel - Website