The board shall meet at least quarterly at times fixed by the chair. The board may meet by the use of audio or visual medium. Four members shall constitute a quorum. The board shall act only with the concurrence of four or more members. Source: Supreme Court Rule 78-1, Rule IV (c), (d); Supreme Court Rule 79-5; SL 2016, ch 246 (Supreme Court Rule 16-12 ), eff. July 1, 2016; SL 2018, ch 298 (Supreme Court Rule 18-07), eff. July 1, 2018.