論誠信在國際法中的地位和適用

Status and Application of Good Faith in International Law

誠信是人類法律文化或文明的共同財產，廣泛適用於國內法和國際法。在實然國際法體系中，誠信具有重要的地位和作用。首先，它是世界各大法系甚至各國法律體系所共有的一般法律原則。其次，它構成習慣國際法的組成部分。再次，它具有國際法基本原則的抽象性、一般性、普遍性和至上性。最後，它構成條約的基礎和核心，尤其貫穿於條約的談判、解釋和實施過程之中。

Good faith is the common heritage of legal culture or civilization of mankind which has been broadly applied both in domestic law and international law. In positive international legal system, good faith holds an important position and plays an essential role: firstly, it is a kind of general principle of law commonly recognized by all legal systems in the world; secondly, it constitutes an integral part of customary international law; thirdly, it bears the basic characteristics of fundamental principles of international law, namely, abstraction, generalization, universality and supremacy; fourthly, it is the foundation and core of treaty law, particularly in the process of treaty negotiation, interpretation and implementation.