It has opted for trying to enable it by providing a common platform for things like virtual energy labels to happen. There are places I would look. It might be hard to mandate across the board, but CMHC provides mortgage insurance, and if you were to provide a mortgage insurance product, as you did that you could say that you should also have a label.
Again, through these platforms that I'm suggesting, we could also say that when someone gets a retrofit, we want to make sure there's a label and we want to make sure that label is available if someone were to purchase your house.