If the plan administrator is a plan administrative committee, the committee shall choose from its members a chairperson and a secretary. The committee may allocate responsibility for those duties and powers listed in [Section 6.2(b)(1) and (2)])] (except determination of qualification for disability retirement) and other purely ministerial duties to one or more members of the committee. The committee shall review at regular intervals the performance of any committee member to whom fiduciary responsibility has been allocated and shall re-evaluate such allocation of responsibility. After the plan administrative committee has made such allocations of responsibilities and has received written notice of acceptance, the fiduciary responsibilities for such administrative duties and powers shall then be considered as the responsibilities of such committee member(s).