The members of the respective county boards shall elect one of their members as chairman. Each county board shall meet not less than once a month on regular dates fixed by it unless the director shall designate other regular dates for the various county board meetings. A simple majority of the members shall constitute a quorum and may decide all matters. Each county board may adopt its own rules of procedure unless the state department shall promulgate uniform rules for all county boards to observe.
S.C. Code § 43-3-30