The boundaries between legally binding treaties and non-legally binding instruments have long been a subject of dispute. The ICJ judgments suggest focus on ‘the actual terms and to the particular circumstances in which it was drawn up’ in order to determine the legal nature of an instrument. This article explores some aspects of Japan’s practice in treaty-making in light of State practice, aiming at uncovering the approach and thinking behind State practice in treaty-making.

中文翻译：

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界定具有法律约束力的条约的边界-根据国家实践，日本在缔约条约方面的实践的某些方面

长期以来，具有法律约束力的条约与不具有法律约束力的文书之间的界限一直是争议的主题。国际法院的判决建议着眼于“实际条款和拟定条款的特定情况”，以确定文书的法律性质。本文从国家实践的角度探讨了日本在条约制定实践中的某些方面，旨在揭示国家在条约制定中的做法和思路。