Unanimity of the Contracting States voting shall be required for the decisions which the Administrative Council is empowered to take under Article 33, paragraph 1(b)
. The Administrative Council shall take such decisions only if all the Contracting States are represented. A decision taken on the basis of Article 33, paragraph 1(b)
, shall not take effect if a Contracting State declares, within twelve months of the date of the decision, that it does not wish to be bound by that decision.