There is a Pac-12 rule that “if there is a clear position from the league, then the representative has what’s called a ‘directed vote'”.
The vote to postpone football this fall appeared to be unanimous by university presidents, but it’s solely based on a Pac-12 rule that forces conformity.
Contractually, ADs and Presidents are not allowed to publicly disagree with the commissioner.
LS himself has said: “They’re really not supposed to use their judgment.”
This quote is from years ago regarding satellite camps:
https://www.espn.com/college-football/story/_/id/15283612/ucla-bruins-ad-dan-guerrero-voted-wrong-way-satellite-camps-pac-12-commissioner-says