2016 New York Laws
BSC - Business Corporation
Article 15 - (Business Corporation) PROFESSIONAL SERVICE CORPORATIONS
1508 - Directors and officers.

1508. Directors and officers.
(a)  No  individual  may  be  a  director or officer of a professional
  service corporation unless he is authorized by law to practice  in  this
  state  a profession which such corporation is authorized to practice and
  is either a shareholder of such corporation or engaged in  the  practice
  of his profession in such corporation.
(b)  The  directors  and  officers  of  a  design professional service
  corporation may include individuals who are  not  design  professionals,
  provided   however   that  greater  than  seventy-five  percent  of  the
  directors, greater than seventy-five percent of  the  officers  and  the
  president,  the  chairperson  of  the  board  of directors and the chief
  executive officer or officers are authorized by law to practice in  this
  state a profession which such corporation is authorized to practice, and
  are  either  shareholders of such corporation or engaged in the practice
  of their professions in such corporation.