N.J. Stat. § 14A:6-13
A director of a corporation who is present at a meeting of its board, or any committee thereof of which he is a member, at which action on any corporate matter referred to in section 14A:6-12 is taken shall be presumed to have concurred in the action taken unless his dissent shall be entered in the minutes of the meeting or unless he shall file his written dissent to such action with the person acting as the secretary of the meeting before or promptly after the adjournment thereof. Such right to dissent shall not apply to a director who voted in favor of such action. A director who is absent from a meeting of the board, or any committee thereof of which he is a member, at which any such action is taken shall be presumed to have concurred in the action unless he shall file his dissent with the secretary of the corporation within a reasonable time after learning of such action.
N.J.S. § 14A:6-13