1.  Conduct of hearings.  Hearings conducted by the board shall be informal and the rules of evidence prevailing in judicial proceedings shall not be binding. Any and all documentary evidence and other evidence deemed relevant by the board may be received.  

2.  Power of chair.  The chair has the power to administer oaths and to require by subpoena the attendance and testimony of witnesses and the presentation of books, records and other evidence relative or pertinent to the issues presented to the board for determination. Witnesses subpoenaed by the board must be allowed the same fees as are paid to witnesses in the Superior Court. These fees, together with all necessary expenses of the board, must be paid by the Treasurer of State on warrants drawn by the State Controller.