Section 91. Directors; officers

1.  The by-laws of a worker cooperative
  shall provide for the election,  terms,  classifications,  if  any,  and
  removal  of  directors and officers in accordance with the provisions of
  this chapter or the provisions of the business corporation law.
    2. Non-members  may  serve  as  directors  or  officers  of  a  worker
  cooperative  but  at  no  time  shall  there be a majority of non-member
  directors.
    3. Notwithstanding section sixty-four of this chapter, non-members may
  serve as president and first vice-president of a worker cooperative.
    4. Vacancies in director positions resulting from  death,  resignation
  or removal shall be filled by vote of the member directors.