No, those are in the food and drug regulations. Beer is a standardized product. For anything labelled as a beer, you know exactly what's permitted for use in its manufacturing. It's in the food and drug regulations, as it is for whisky, vodka, wine, ciders, and liqueurs. There are non-standardized products, which Four Loko and the other one would be part of. Tied with the high sweetness, that might be the right A-mix that Health Canada could use.
On April 30th, 2018. See this statement in context.