The thresholds are different. The infringement thresholds, as advised by the independent expert panel, are a proxy for recent use, and the criminal thresholds are a proxy for a level of impairment. The expert panel set that after extensively working through the international literature on this issue, international examples, and the best and most up-to-date scientific advice from within New Zealand. So to be very clear: the threshold for criminal offending, which may only occur after the person has elected to go down the route of a blood test, is a higher threshold for people to reach.