4.—(1) The board of medical referees shall consist of not less than 3 medical practitioners appointed by, and in accordance with, arrangements approved by the Scottish Ministers, provided that–
(a)at least 1 member of the board of medical referees shall be a specialist in a medical condition relevant to the appeal;
(b)1 member of the board of medical referees will be appointed chairman; and
(c)where there is an equality of voting among members of the board of medical referees, the chairman shall have a second or casting vote.
(2) The board of medical referees shall appoint a time and place for interviewing the appellant and for any such further interviews or medical examinations as it may consider necessary and shall give not less than 21 days notice thereof to the appellant and police authority.