85 to be derived from the Area, States which are potential producers of such minerals, and least developed States; (e) eighteen members elected according to the principle of ensuring an equitable geographical distribution of seats in the Council as a whole, provided that each geographical region shall have at least one member elected under this subparagraph. For this purpose, the geographical regions shall be Africa, Asia, Eastern European (Socialist), Latin America and Western European and Others. 2. In electing the members of the Council in accordance with paragraph 1, the Assembly shall ensure that: (a) land-locked and geographically disadvantaged States are represented to a degree which is reasonably proportionate to their representation in the Assembly; (b) coastal States, especially developing States, which do not qualify under paragraph 1(a), (b), (c) or (d) are represented to a degree which is reasonably proportionate to their representation in the Assembly; (c) each group of States Parties to be represented on the Council is represented by those members, if any, which are nominated by that group. 3. Elections shall take place at regular sessions of the Assembly. Each member of the Council shall be elected for four years. At the first election, however, the term of one half of the members of each group referred to in paragraph l shall be two years. 4. Members of the Council shall be eligible for re-election, but due regard should be paid to the desirability of rotation of membership. 5. The Council shall function at the seat of the Authority, and shall meet as often as the business of the Authority may require, but not less than three times a year. 6. A majority of the members of the Council shall constitute a quorum. 7. Each member of the Council shall have one vote. 8. (a) Decisions on questions of procedure shall be taken by a majority of the members present and voting. (b) Decisions on questions of substance arising under the following provisions shall be taken by a two-thirds majority of the members present and voting, provided that such majority includes a majority of the members of the Council: article 162, paragraph 2, subparagraphs (f); (g); (h); (i); (n); (p); (v); article 191. (c) Decisions on questions of substance arising under the following provisions shall be taken by a three-fourths majority of the members present and voting, provided that such majority includes a majority of the members of the Council: article 162, paragraph 1; article 162, paragraph 2, subparagraphs (a); (b); (c); (d); (e); (l); (q); (r); (s); (t); (u) in cases of non-compliance by a contractor or a sponsor; (w) provided that orders issued thereunder may be binding for not more than 30 days unless confirmed by a decision taken in accordance with subparagraph (d); article 162, paragraph 2, subparagraphs (x); (y); (z); article 163, paragraph 2; article 174, paragraph 3; Annex IV, article 11.