N.J. Stat. § 15A:6-13
A trustee who is present at a meeting of the board, or any committee thereof of which the trustee is a member, at which action on any corporate matter referred to in section 15A:6-12 is taken shall be presumed to have concurred in the action taken unless the dissent of the trustee shall be entered in the minutes of the meeting or unless the trustee shall file a written dissent to the action with the person acting as the secretary of the meeting before or promptly after the adjournment of the meeting. The right to dissent shall not apply to a trustee who voted in favor of the action. A trustee who is absent from a meeting of the board, or any committee thereof of which the trustee is a member, at which any action is taken shall be presumed to have concurred in the action unless the trustee shall file a dissent with the secretary of the corporation within a reasonable time after learning of the action.
N.J.S. § 15A:6-13