Plan Administrative Committee Actions – The actions of such committee shall be determined by the vote or other affirmative expression of a majority of its members. Either the chairperson or the secretary may execute any certificate or other written direction on behalf of the committee. A member of the committee who is a participant shall not vote on any question relating specifically to himself. If the remaining members of the committee, by majority vote thereof, are unable to come to a determination of any such question, the named fiduciary shall appoint a substitute member who shall act as a member of the committee for the special vote.