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(1). Surcharges imposed by a conference to cover sudden or extraordinary increases in costs or losses of revenue shall be regarded as temporary. They shall be reduced in accordance with improvements in the situation or circumstances which they were imposed to meet and shall be cancelled, subject to Article 16 (6), as soon as the situation or circumstances which prompted their imposition cease to prevail. This shall be indicated at the moment of their imposition, together, as far as possible, with a description of the change in the situation or circumstances which will bring about their increase, reduction or cancellation.
(2). Surcharges imposed on cargo moving to or from a particular port shall likewise be regarded as temporary and likewise shall be increased, reduced or cancelled, subject to Article 16 (6), when the situation in that port changes.
(3). Before any surcharge is imposed, whether general or covering only a specific port, notice should be given and there shall be consultation, upon request, in accordance with the procedures of this Code, between the conference concerned and other parties directly affected by the surcharge and prescribed in this Code as entitled to participate in such consultations, save in those exceptional circumstances which warrant immediate imposition of the surcharge. In cases where a surcharge has been imposed without prior consultation, consultations, upon request, shall be held as soon as possible thereafter. Prior to such consultations, conferences shall furnish data which in their opinion justify the imposition of the surcharge.
(4). Unless the parties agree otherwise, within a period of 15 days after the receipt of a notice given in accordance with Article 16 (3), if there is no agreement on the question of the surcharge between the parties concerned referred to in that Article, the relevant provisions for settlement of disputes provided in this Code shall prevail. Unless the parties concerned agree otherwise, the surcharge may, however, be imposed pending resolution of the dispute, if the dispute still remains unresolved at the end of a period of 30 days after the receipt of the above-mentioned notice.
(5). In the event of a surcharge being imposed in exceptional circumstances without prior consultation as provided in Article 16 (3), if no agreement is reached through subsequent consultations, the relevant provisions for settlement of disputes provided in this Code shall prevail.
(6). Financial loss incurred by the shipping lines members of a conference as a result of any delay on account of consultations and/or other proceedings for resolving disputes regarding imposition of surcharges in accordance with the provisions of this Code, as compared to the date from which the surcharge was to be imposed in terms of the notice given in accordance with Article 16 (3), may be compensated by an equivalent prolongation of the surcharge before its removal. Conversely, for any surcharge imposed by the conference and subsequently determined and agreed to be unjustified or excessive as a result of consultations or other procedures prescribed in this Code, the amounts so collected or the excess thereof as determined hereinabove, unless otherwise agreed, shall be refunded to the parties concerned, if claimed by them, within a period of 30 days of such claim.