1. It shall be the duty of the chairperson to preside at all board meetings, to act as official head of the emergency services board and to execute all contracts required to be executed by the board. In the absence and disability of the chairperson, the vice chairperson shall assume the duties of the chairperson.
2. The secretary shall keep the official records of the meetings of the board, shall attest all official documents with the seal of the board, shall, when called upon, make reports pertaining to the business of the secretary's office, attend the board meetings and perform such other duties as may be imposed upon the secretary by the provisions of sections 190.335 to 190.342 and the rules of the board.
3. The treasurer shall be the custodian of the funds of the board and pay money out of the treasury only upon valid checks or drafts drawn on the treasury.
4. The board may, from time to time, provide for additional rules and regulations concerning the duties of its officers.