A lot of this can actually be done on paper.
At the end of the day, what you're really looking at is compensation data and how it's been allocated between male job classes and female job classes. You can do quite a bit of that by email exchanges, by asking for the specific data that you're looking for and then having that data appear. We have some review officers that do field visits. We have other review officers that are quite happy to do all of this work, and manage to do it quite nicely, from their offices.