Section 343. County or part-county boards of health; organization; appointment

1. The board of health of a county or  part-county  health
  district  shall  consist of seven members, one of whom shall be a member
  of the board of supervisors, selected by the board of  supervisors,  and
  at  least  three of whom shall be physicians licensed to practice in the
  state of New York, and in addition thereto, each city  which  becomes  a
  part  of  the county or part-county health district shall be entitled to
  one additional representative member on the board of health.
    2. The members of the board of  health  of  a  county  or  part-county
  health district shall be residents of the health district.
    3.  (a)  The  members of the board of health shall be appointed by the
  board of supervisors.
    (b) The county medical society of the county  in  which  a  county  or
  part-county  health  district  is established may submit to the board of
  supervisors a list of physicians from which the board of supervisors may
  choose the medical members of the board of health.
    (c) The additional city representative members of the board of  health
  shall each be appointed by the board of supervisors from a list of three
  persons  submitted  by  the  mayor  or other administrative head of such
  city. Such city representative members so appointed shall have  all  the
  powers and duties conferred upon other members of said board.