Even today, the use of advance tax rulings is quite rare. It is something that we don't engage in very frequently. It tends to take a lot of time. It tends to be a fairly costly process. Clearly, in the time when this plan was developed, 1999, that would not have been a standard thing for us to do. It's more frequent today, but in those days....
Times have changed, and it was not something that we would have done regularly.