The requirements in Canada and the U.S. are actually not well enforced at all. It's mostly a general rule of thumb. We don't have much criteria to meet. It's not very well regulated in Canada or the U.S., actually. Europe is where it's tightly regulated, so meeting the requirements there is where it becomes more difficult. In Canada and the U.S. it's not very well regulated at all. It's more self-regulated than anything else.
On June 1st, 2017. See this statement in context.