Section 52. County director form

A county which shall adopt the county
  director form of government shall have a county executive to  be  called
  "county  director.  "  The board of supervisors shall appoint the county
  director. The term of office of  the  county  director  first  appointed
  shall  be  four years from and including the first day of January of the
  year in which the county director form becomes effective in the  county.
  Successors  shall  be  appointed for terms of four years each. Vacancies
  occurring otherwise than by  expiration  of  term  shall  be  filled  by
  appointment by the board of supervisors for the unexpired portion of the
  term.  The  county  director may, when authorized by local law, serve as
  the head of one or more departments  not  administered  by  an  elective
  official  but  without additional compensation. The foregoing provisions
  of this section, together  with  other  applicable  provisions  of  this
  chapter,  including those provisions which may be made applicable, shall
  constitute the structure of  the  county  director  form  of  government
  authorized to be adopted by this chapter.