The clarification I would add here is that this doesn't necessarily have a direct impact on Bill C-92 as a piece of legislation. It also doesn't prevent any of the Métis governments addressed by this bill from meeting that test, that definition of “Indigenous governing body” for the purposes of that act. It's still possible that they would meet that test, but it would have to be shown.
One reading of what's in clause 8 is that this could still be shown from what is spelled out here. However, without that phrase in there, “for the purposes of this act”, it's not as automatic as it might be.