(a) “Agent” means any director, officer or employee of a corporation, or any other person who is authorized to act in behalf of the corporation.

(b) “High managerial agent” means an officer of a corporation or any other agent in a position of comparable authority with respect to the formulation of corporate policy or the supervision in a managerial capacity of subordinate employees.

(a) The conduct constituting the offense consists of an omission to discharge a specific duty of affirmative performance imposed on corporations by law;  or

(b) The conduct constituting the offense is engaged in, authorized, solicited, requested, commanded, or recklessly tolerated by the board of directors or by a high managerial agent acting within the scope of his employment and in behalf of the corporation;  or

(c) The conduct constituting the offense is engaged in by an agent of the corporation while acting within the scope of his employment and in behalf of the corporation, and the offense is (i) a misdemeanor or a violation, (ii) one defined by a statute which clearly indicates a legislative intent to impose such criminal liability on a corporation, or (iii) any offense set forth in title twenty-seven of article seventy-one of the environmental conservation law.