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(;iNIl':K.\I: i (;ItKIt-: . _ INT ()NTA ti!FFS ANI)TRAI)EI ()('T. 30.i 1t47 channels of trade, or restrictions which would prevent the importation of commercial samples, or prevent compliance with patent, trademark, copyright, or similar procedures; and (iii) to apply restrictions under this Article in such a way as to avoid unnecessary damage to the commercial or economic interests of any other contracting party. 4. (a) Any contracting party which is not applying restrictions under this Article, but is considering the need to do so, shall, before instituting such restrictions (or, in circumstances in which prior consultation is impracticable, immediately after doing so), consult with the CONTRACTING PARTIES as to the nature of its balance-of-payments difficulties, alternative corrective measures which may be available, and the possible effect of such measures on the economies of other contracting parties. No contracting party shall be required in the course of consulta- tions under this sub-paragraph to indicate in advance the choice or timing of any particular measures which it may ultimately determine to adopt. (b) The CONTRACTING PARTIES may at any time invite any contracting party which is applying import restrictions under this Article to enter into such consultations with them, and shall invite any contracting party substantially intensifying such restrictions to consult within thirty days. A contracting party thus invited shall participate in such discussions. The CONTRACTING PARTIES may invite any other contracting party to take part in these discussions. Not later than January 1, 1951, A37
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