law: Prevention of Black Marketing and Maintenance of Supplies of Essential Commodities Act, 1980
  9. Constitution of Advisory Boards
  (1) The Central Government and each State Government shall, when
  
  ever necessary, constitute one or more Advisory Boards for the purposes of this
  
  Act.
  (2) Every such Board shall consist of three persons who are, or
  
  have been or are qualified to be appointed as, Judges of a High Court, and such
  
  person shall be appointed by the appropriate government.
  (3) The appropriate government shall appoint one of the members
  
  of the Advisory Board who is, or has been, a Judge of a High Court to be its
  
  Chairman, and in the case of Union Territory, the appointment to the Advisory
  
  Board of any person who is a Judge of the High Court of a State shall be with
  
  the previous approval of the State Government concerned.]