Well, I can speak to what we've attempted to do here.
It's true that a plain reading of both British and Australian laws shows that they use much of the same wording—not just the subject matter of the offences, but the way it's set out in the convention. I doubt it was a cut-and-paste, but it looks very similar.
Now, the way we did it here in Bill S-9 is that we wanted it to fit within the existing Canadian law so that it flowed nicely within the code and had a good relationship with the existing terrorism offences and the way the existing law defined certain activities. That's why our law looks a bit different from, for example, the Australian and British laws.