At the begin­ning of each closed ses­sion, those present shall iden­ti­fy them­selves by voice for the audio record­ing.  If the meet­ing is video­taped, those present shall indi­vid­u­al­ly appear on cam­era and iden­ti­fy them­selves by voice at the begin­ning of the closed ses­sion.  The meet­ing Chair shall also announce the times the closed ses­sion com­mences and ends at the appro­pri­ate points on the record­ing.