German law mandates substantial employee participation on a corporate board of directors by requiring: a. At least 40% of the board members must be members of a labor union at company. b. A two-tiered system with a supervisory board with employee members and a management board running company on its day-to-day operations. c. The chairman of the Board in alternating years must be a union member. d. All companies must contribute 1.0% of revenues to union administration costs