Anyone see this article? http://www.carsguide.com.au/news-and-reviews/car-news/bike_helmets_rated/ Theres mention of as/nzs being required if you want to be legal! Also, in they're FAQ section, the first question is this, with an answer following: Can I use a helmet I have brought with me from overseas? No. Helmets purchased from overseas do not comply with Australian Standards. In addition, the Australian Standard for motorcycle helmets is one of the most stringent in the world.