Government Of The State Of California — California Government Code — Executive Department — General Provisions — Vacancies on council; quorum Date: 15 Sep 2016 TEXT PDF Current through the 2016 Legislative Session Any member chosen to fill a vacancy on the council occurring otherwise than by expiration of term shall be appointed for the unexpired term of the member whom he or she is to succeed. Four members of the council shall constitute a quorum for the purpose of conducting the business thereof. Ca. Gov. Code § 12904 Amended by Stats 2012 ch 46 (SB 1038),s 30, eff. 6/27/2012, op. 1/1/2013.