http://www.nzta.govt.nz/resources/virm-in-service-certification/docs/cover-letter-list-of-changes-wof-and-cof.pdf
3-8 to 3-13 For definition of class AB vehicle, changed 200 watts to 300 watts.
http://www.nzta.govt.nz/resources/virm-in-service-certification/docs/introduction.pdf
AB (Power-assisted pedal cycle)
A pedal cycle to which is attached one or more auxiliary propulsion motors having a combined maximum power output not exceeding 300 watts.
