When present, the presiding officer shall conduct all board meetings. The presiding officer shall appoint such committees as the board may authorize under § 505.10 of this chapter (relating to Board Committees) and may delegate the signing of official documents. The presiding officer may sign board orders on behalf of the board after the board has approved adoption of the order. The presiding officer shall serve as the official spokesman of the board and shall have such other responsibilities as assigned and such other authority as conferred by the board.
22 Tex. Admin. Code § 505.3