ARTICLE-18: Obligation not to defeat the object and purpose
of a treaty prior to its entry into force [
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ARTICLE-47: Specific restrictions on authority to express
the consent of a State [
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ARTICLE-70: Consequences of the termination of a treaty [
go to this ARTICLE]
ARTICLE-71: Consequences of the invalidity of a treaty which
conflict
with a peremptory norm of general international law [
go to this ARTICLE]