It's an issue that has been going on for many years. In the beginning it was about diafiltered milk proteins, and the creation of class 7 was a bit of an answer to that. It was a way of dealing with that, because at the beginning, it was said that diafiltered milk was not real milk and therefore the law didn't apply. The creation of class 7 was a kind of compromise
On February 24th, 2020. See this statement in context.