This is about the CRA's administering this tax. Are there any other pieces in the tax law in Canada that you administer that are like this—where you need a considerable amount of information from people, such as whether they live within the boundaries of one of these urban areas or not, whether they own property?
There are other things. When you're filling out your taxes, you come across a question like, “Do you have $10,000 outside Canada”, or something like that—I forget exactly what it is—and you just check a box and move on.
Are there any other pieces of tax law like this that you administer that involve this extra work on the part of residents or non-residents—that it's just gathered for information's sake?