I have blue plate approval for QLD to do light vehicles, motor conversions, gearbox, diffs, dif centres, brakes, roll cages, brakes, fuel tank mods, seats & belts, and am in contact with qld transport frequently, they say it is going to change ( but i think what is holding it up is they want all states to sign up, if NSW doesn't it will stuff everyone) so if your building one build it to QLD rules, i'll let you know when i hear more