The board of commissioners shall organize by electing one of its members as chairman and another as vice-chairman. It shall be the duty of the chairman to preside at all meetings of the board and to act as the chief executive officer of the board and of the district. The vice-chairman shall act in the absence or disability of the chairman. The board also shall elect and fix the compensation of a secretary-treasurer who may or may not be a member of the board. It shall be the duty of the secretary-treasurer to keep all minutes and records of the board and to safely keep all funds of the district. The secretary-treasurer shall be required to execute a bond, payable to the district, in a sum and with such security as shall be fixed and approved by the board of commissioners. The terms of all officers of the board shall be for one year from and after the date of election, and shall run until their respective successors are appointed or elected and qualified.
Each board of commissioners shall adopt an official seal with which to attest the official acts and records of the board and district.