In respect of why we are doing this now, it is to adopt an OECD recommendation, because at the moment there is both double taxation and double non-taxation at times—so, under-taxation. Given that in practice, people increasingly, when they travel overseas, take their mobile device with them, the OECD recommendation—which has been adopted by a lot of other OECD countries already—is that the country that is the source country, if you like, of the person going overseas collects GST on the service that is delivered to that person when they are overseas through their New Zealand providers, and we don't collect GST, which theoretically we could, in respect of services that are consumed by overseas people with their devices on roaming when they come and roam in New Zealand. So that's the reason. 