international custom

…This refers to an external state action that is repeatedly performed by many nations. It is also called international custom or international usage. It includes international comity based on courtesy and convenience, but is a broader concept than that. …

*Some explanations of terms that refer to "international custom" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…多数の国家が繰返し行っている対外的な国家行為のこと。international custom,international usageともいう。儀礼や便宜に基づく国際礼譲を含むが，それよりは広い概念である。…

※「international custom」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報