Maryland Natural Resources Section 3-204

      The trustees shall elect from among the elected membership a chairman, secretary, and other officers as they determine. The trustees shall meet at least twice a year at places and on dates they determine. The chairman may call other meetings, and must call one at the request of four or more trustees. The secretary shall notify in writing every trustee of the time and place of every meeting at least seven days in advance of the meeting, except that meetings may be held on shorter notice if all trustees agree. Eight trustees constitute a quorum to conduct business. If at any time there is no director, the chairman shall assume the director's duties and powers. The chairman with the consent of the trustees may appoint an advisory council.