Section 152. Administrative regulations

The chairman of the board may make,
  amend and repeal regulations for the administration of the board and its
  employees. Such regulations shall not be deemed rules within the meaning
  of  this  chapter  or  of  the  labor  law  unless  the  context of such
  regulations otherwise requires.
    The chairman may by  order  filed  in  the  office  of  the  secretary
  delegate any of his administrative powers to or direct any of his duties
  other than as a member of the board to be performed by any other officer
  of the board or the head of any bureau or section of the board.