It doesn't make the pie bigger. I do not have the adjustments with me, but they're relatively minor year over year. We collect about $300 billion a year--actually more than that in total receipts--and we're only talking about a few million dollars a year. If you're a province, a million dollars is a million dollars, and it's important that we can get it right.
Evidence of meeting #71 for Finance in the 39th Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was amount.
A recording is available from Parliament.