ARTICLE-40: Amendment of multilateral treaties [
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ARTICLE-41: Agreements to modify multilateral treaties between
certain of the parties only [
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ARTICLE-55: Reduction of the parties to a multilateral treaty
below the number necessary for its entry into force [
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ARTICLE-58: Suspension of the operation of a multilateral
treaty by agreement between certain of the parties only [
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ARTICLE-60: Termination or suspension of the operation of
a treaty as a consequence of its breach [
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ARTICLE-69: Consequences of the invalidity of a treaty [
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ARTICLE-70: Consequences of the termination of a treaty [
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