Oath of the Members of the Board.
Section 157
SEC. 157. Oath of the Members of the Board.—The members of the board, whether permanent, substitute or temporary, shall before assuming their office, take and sign an oath upon forms prepared by the Commission, before an officer authorized to administer oaths or, in his absence before any other member of the board present, or in case no one is present, they shall take it before any voter. The oaths shall be sent immediately to the municipal treasurer.