D&C 102
I think it is easy to forget sometimes that church government is government and operates from the same rules of order even though it operates in accordance to higher rules of law. It seems that we often participate in things like sustaining as a rite and not as a responsibility for thoughtful consideration and personal commitment.
This section is a very enlightening insight on how High Councils are supposed to operate in the church. Now they are more static as each stake has a high council rather than having to call and organize one anytime there is a need.
I wonder if anyone ever tried to appeal the ruling of the Twelve Apostles.