3. The expert group shall be composed of five highly qualified independent persons in the fields of trade facilitation, assistance and capacity building assistance. The composition of the expert group ensures a balance between nationals of developing countries and members of industrialized countries. If a member of the least developed country is involved, the group of experts shall be composed of at least one national of a member of a least developed country. If the Committee is unable to agree on the composition of the group of experts within twenty days of its establishment, the Director-General, in consultation with the Chair of the Committee, shall determine the composition of the group of experts referred to in this paragraph. . . .