The valid waiver of a claim by an international organization under draft article 49, or its acquiescence, may be difficult to ascertain due to the potential complexity of the attribution of competence to the various organs of an organization under its relevant rules.
很难确定第49条规定的国际组织以有效方式放弃索偿或做出默许，因为按照一个组织的相关规则确定其各机构管辖权的归属可能很复杂。