§ 9. Staff, materials and other perquisites. Each member of the House shall be entitled to an equal allocation of printed newsletters and other printed materials and postage therefor, and stationery and other similar perquisites, and each member shall receive an equal allowance for staff personnel, except that the allocation of stationery and other similar perquisites and the allowance for staff personnel may be greater for members in majority and minority leadership positions, committee, subcommittee and task force chairpersons and ranking minority members of committees, subcommittees and task forces. Such greater allotment or staff shall be commensurate with the additional duties assigned to such member.