The amendments created the new position with «general supervisory powers over arranging the sitting of magistrates and assigning magistrates for hearings, as circumstances require.» (ontariocourts.ca)
After enjoying, for over a millennium, certain supervisory powers, the Church has abandoned any interest in possessing direct power over the state.... (firstthings.com)
Also, the fact that the Electoral Commission didn't have the same supervisory powers that it has over elections needs to be addressed. (liberalconspiracy.org)